Here you can get your 10 class maths MCQs notes for test and exam preparation that are made by subject experts and qualified teachers according to the new book curriculum and latest exam paper pattern.
Math MCQs Class 10 Sindh Board PDF
Students you can prepare these all chapter-wise important MCQs that help in your revision, and get a quick review of the syllabus for 10th-class mathematics exams.
Here we are going to provide class 12 chemistry chapter 19 Chemical Industries in Pakistan solved MCQs that help Sindh board students in their exam.
12 Class Chemistry Chapter 19 MCQs with Answers
This 2nd year’s chemistry chapter 19 Sindh board MCQs are also helpful for Karachi, Hyderabad, Larkana, and Sukkur board students in their examination preparation.
1. pH value of soil is maintained at ___________ by the addition of fertilizer for optimum growth and health of the plant
a) 44385
b) 44230
c) 44291
d) 44543
Answer: a) 44385
2. The chemical that kills weeds is called pesticides
a) TRUE
b) FALSE
Answer: a) TRUE
3. Soap and detergents are the source of organic pollutants like:
a) Sulphonated hydrocarbons
b) Polyphosphates
c) Glycerol
d) All of the above
Answer: d) All of the above
4. What are the polymers called whose monomers are bonded to each other by -C(O)-N—C(O)-N-link
a) Polyesters
b) Polythene
c) Polyamides
d) Terylene
Answer: c) Polyamides
5. Of the following, which one is classified as a polyamide
a) Polythene
b) Nylon
c) Polystyrene
d) All of the above
Answer: b) Nylon
6. What will be the product formed when benzene -1, 4-dicarboxylic acid and ethan-1 ,2-diol react together
a) Polyester and terylene
b) Polyster
c) Polyamides
d) Terylene
Answer: a) Polyester and terylene
7. In order to produce silk threads, silkworms digest ________ from mulberry trees.
a) Leaves
b) Twigs
c) Cellulose
d) Proteins
Answer: c) Cellulose
8. Some plastics become soft on heating and become hard upon cooling and never show change in their properties are known as _________.
a) Thermoplastic
b) thermosetting
c) thermoregulation
d) thermodynamic
Answer: a) Thermoplastic
Conclusion
The topic of this post is class 12 chemistry chapter 19 MCQs with solved answers for board exam preparation Additionally we add this post into the 12th class category.
Here we are going to provide class 12 Chemistry chapter 18 Chemistry of Life solved MCQs that help Sindh board students in their exam.
12th Class Chemistry Chapter 18 MCQs with Answers
This 2nd year’s chemistry chapter 18 Sindh board MCQs are also helpful for Karachi, Hyderabad, Larkana, and Sukkur board students in their examination preparation.
5. The amino acid that contains methyl group as the alkyl part is known as _______
a) Aspartic acid
b) Alanine
c) Glycine
d) None of these
Answer: b) Alanine
6. Which of the following is the simplest amino acid
a) Aspartic acid
b) Alanine
c) Glycine
d) None of these
Answer: c) Glycine
7. Strecker synthesis is used to synthesize ___________.
a) amides
b) amino acids
c) acetylene
d) benzene
Answer: b) amino acids
8. Amino acids which cannot be synthesized in body
a) Non-essentials
b) Proteins
c) Essentials
d) Amino acids
Answer: c) Essentials
9. Gelatin protein is found in
a) Blood
b) Skin
c) Heart
d) Bones
Answer: d) Bones
10. Number of amino acids in protein is.
a) 1000
b) Less than 10,000
c) More than 10,000
d) 2000
Answer: c) More than 10,000
11. Peptide bond is formed by the elimination of which molecule
a) H2O
b) H3O
c) H3CO3
d) HNO3
Answer: a) H2O
12. Rancid butter has foul smell because of ________ acid
a) Sulphuric acid
b) Nitric acid
c) Hydrochloric acid
d) Butanoic acid
Answer: d) Butanoic acid
13. At which temperature margarine is produced by adding hydrogen in vegetable oil
a) 100
b) 150
c) 200
d) 250
Answer: c) 200
14. Molecular formula of palmitic acid is
a) C15H31COOH
b) C17H35COOH
c) C5H30COOH
d) C10H22011
Answer: a) C15H31COOH
15. Identify the fat-soluble vitamins
a) ADEK
b) ADBC
c) BC
d) BCEK
Answer: a) ADEK
16. Which vitamin is soluble in water
a) Vitamin A
b) Vitamin E
c) Vitamin D
d) Vitamin C
Answer: d) Vitamin C
17. Who proposed the name of vitamins
a) Lewis
b) J. Watson
c) F. Crick
d) Funk
Answer: d) Funk
18. Cause of night blindness is
a) Deficiency of Vitamin B
b) Deficiency of Vitamin C
c) Deficiency of Vitamin D
d) Deficiency of Vitamin A
Answer: d) Deficiency of Vitamin A
Conclusion
The topic of this post is class 12 chemistry chapter 18 MCQs with solved answers for board exam preparation Additionally we add this post into the 12th class category where students can find more related content.
Here you can prepare class 12 chemistry chapter 17 Carbon compounds with oxide MCQs with answers that help Sindh board students in their exams.
12 Class Chemistry Chapter 17 MCQs with Answers
This 2nd year’s chemistry chapter 17 Sindh board MCQs are also helpful for Karachi, Hyderabad, Larkana, and Sukkur board students in their examination preparation.
Here you can prepare class 12 chemistry chapter 16 Alkyl Halides solved MCQs that help Sindh board students in their exam.
12 Class Chemistry Chapter 16 MCQs with Answers
This 2nd year’s chemistry chapter 16 Sindh board MCQs are also helpful for Karachi, Hyderabad, Larkana, and Sukkur board students in their examination preparation.
Here we are going to provide class 12 Chemistry chapter 15 Chemistry of Hydrocarbons solved online MCQs that help Sindh board students in their exams.
12 Class Chemistry Chapter 15 MCQs with Answers
This 2nd year’s chemistry chapter 15 Sindh board MCQs are also helpful for Karachi, Hyderabad, Larkana, and Sukkur board students in their examination preparation.
1. The solubilities of higher alcohols decrease because they tend to resemble:
a) Sugars
b) Glucose
c) Aldehydes
d) Hydrocarbons
Answer: d) Hydrocarbons
2. A hydrocarbon in which the chain of carbon atoms is not cyclic is called the open chain hydrocarbon:
a) TRUE
b) FALSE
Answer: a) TRUE
3. Which among the following alkynes is used as a rocket fuel
a) Ethyne
b) Propyne
c) But-1-yne
d) Pent-1-yne
Answer: b) Propyne
4. The product of Friedel-Crafts Acylation reactions is ______
a) Alkylbenzene
b) Alkylamine
c) Arylketone
d) Halobenzene
Answer: c) Arylketone
5. Which of the following is the most acidic
a) p-nitrophenol
b) 2,4,6-trinitrophenol
c) p-cresol
d) Phenol
Answer: b) 2,4,6-trinitrophenol
6. Aromatic bromination catalyzed by the Lewis acid acetate gives __________.
a) Para isomer
b) Ortho isomer
c) Meta isomer
d) Para and ortho isomer
Answer: a) Para isomer
7. When phenyl methyl ether reacts with HI it forms:
a) benzene
b) ethyl chloride
c) iodobenzene
d) phenol
Answer: d) phenol
8. Which of the following act as electrophile in halogenation
a) Nitronium ion
b) Sulphonium ion
c) Halonium ion
d) Acylium ion
Answer: c) Halonium ion
Conclusion
The topic of this post is class 12 chemistry chapter 15 MCQs with solved answers for board exam preparation Additionally we added this post into the 12th class mcqs category.
Here we are going to provide class 12 Chemistry chapter 14 Introduction to Organic Chemistry solved MCQs that help Sindh board students in their exams.
12 Class Chemistry Chapter 14 MCQs with Answers
This 2nd year’s chemistry chapter 14 Sindh board MCQs are also helpful for Karachi, Hyderabad, Larkana, and Sukkur board students in their examination preparation.
Here we are going to provide class 12 chemistry chapter 13 D-Block Element solved MCQs that help Sindh board students in their exam.
12 Class Chemistry Chapter 13 MCQs with Answers
This 2nd year’s chemistry chapter 13 Sindh board MCQs with Answers are also helpful for Karachi, Hyderabad, Larkana, and Sukkur board students in their examination preparation.
Here we are going to provide class 12 chemistry chapter 12 P-Block Element solved MCQs that help Sindh board students in their exam.
12 Class Chemistry Chapter 12 MCQs with Answers
This 2nd year’s chemistry chapter 12 Sindh board MCQs are also helpful for Karachi, Hyderabad, Larkana, and Sukkur board students in their examination preparation.
2. When boric acid H3BO3 is heated, the residue left is:
a) Metaboric acid
b) Boric anhydride
c) Boron
d) Borax
Answer: b) Boric anhydride
3. Graphite is an inert electrode. When the electrolysis of aqueous solution of NaCl is carried out by using graphite electrode, then the substance collected at the cathode is:
a) Hydrogen gas
b) Sodium metal
c) Sodium hydroxide
d) Chlorine gas
Answer: a) Hydrogen gas
4. Which of the following elements has lowest ionization energy
a) Beryllium
b) Boron
c) Carbon
d) Oxygen
Answer: b) Boron
5. Which order is the correct one for the size of atoms
a) Mg>Sr
b) Ba>Mg
c) Lu>Ce
d) Cl>1
Answer: b) Ba>Mg
6. Which element has lowest melting point
a) Beryllium
b) Magnesium
c) Calcium
d) Barium
Answer: b) Magnesium
7. The element of 2nd period, which has ionization energy from the following is:
a) Be
b) C
c) N
d) O
Answer: c) N
8. Which one is not a periodic property:
a) Ionization energy
b) Density
c) Atomic Radii
d) Hydration energy
Answer: b) Density
9. __________ is very reactive, poisonous and waxy soft solid.
a) red phosphorus
b) white phosphorous
c) green phosphorous
d) blue phosphorous
Answer: b) white phosphorous
10. The existence of an element in more than one form in a same physical state is called ____
a) amorphous
b) allotropy
c) crystalline solids
d) none of the above
Answer: b) allotropy
11. Transition temperature of Sulphur is _______.
a) 46 oC
b) 6 oC
c) 96 oC
d) 86 oC
Answer: c) 96 oC
12. Sn grey exists in _____ shape.
a) tetragonal
b) cubic
c) hexagonal
d) none of the above
Answer: b) cubic
13. The arrangement of atoms in allotropic form changes with change in _______.
a) pressure
b) volume
c) density
d) temperature
Answer: d) temperature
14. Which catalyst is used in the contact process
a) Fe2O3
b) V2O5
c) SO3
d) Ag2O
Answer: b) V2O5
15. Which compound gives carbon when heated with con H2SO4
a) Starch
b) Ethyl alcohol
c) Oxalic acid
d) Formic acid
Answer: a) Starch
16. SO3 is not absorbed in water directly to form H2SO4 because:
a) The reaction does not go to completion
b) The reaction is quite slow
c) The reaction is exothermic
d) SO3 is insoluble in water
Answer: c) The reaction is exothermic
17. The incorrect statement about H2SO4 is:
a) Sulphonating agent
b) Highly viscous
c) Reducing agent
d) Hydrating
Answer: c) Reducing agent
18. H2SO4 has great affinity for water because:
a) It decomposes the acid
b) It hydrolyses the acid
c) Acid decomposes water
d) Acid forms hydrate with water
Answer: d) Acid forms hydrate with water
Conclusion
The topic of this post is class 12 chemistry chapter 12 mcqs with solved answers for board exam preparation. Also, we added this post to the 12th class category.
This 2nd-year chemistry chapter 11 Sindh board mcqs are also helpful for Karachi, Hyderabad, Larkana, and Sukkur board students in their examination preparation.
1. Which element has lowest melting point:
a) Beryllium
b) Magnesium
c) Calcium
d) Barium
Answer: b) Magnesium
2. Which of the following elements has lowest ionization energy
a) Beryllium
b) Boron
c) Carbon
d) Oxygen
Answer: b) Boron
3. Which order is the correct one for the size of atoms
a) Mg>Sr
b) Ba>Mg
c) Lu>Ce
d) Cl>1
Answer: b) Ba>Mg
4. Which one is not a periodic property:
a) Ionization energy
b) Density
c) Atomic Radii
d) Hydration energy
Answer: b) Density
5. The element of 2nd period, which has ionization energy from the following is:
a) Be
b) C
c) N
d) O
Answer: c) N
6. Which of the following is known as ‘baking soda’
a) Na2CO3 x 10H2O
b) NaHCO3
c) K2CO3
d) NaOH
Answer: b) NaHCO3
7. Lithium exhibits diagonal relationship with:
a) Magnesium
b) Calcium
c) Aluminium
d) Strontium
Answer: a) Magnesium
8. As compared to K, Na has:
a) higher ionization potential
b) lower melting point
c) lower electronegatively
d) larger atomic radius
Answer: a) higher ionization potential
9. Which of the following is not the minerals of potassium
a) Chile saltpeter
b) Carnallite
c) Kainite
d) Potassium feldspar
Answer: a) Chile saltpeter
10. Which oxide is amphoteric
a) BaO
b) CaO
c) BeO
d) MgO
Answer: c) BeO
Conclusion
The topic of this post is class 12 chemistry chapter 11 mcqs with solved answers for board exam preparation additionally we add this post into the 12th class category.