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Recently Posted MCQs

Chemical Bonding MCQ: 2 days ago

calculate the No. of mole in 40g of H2O

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A: 5.7787 mol
B: 2.222 mol
C: 1.262mol
D: 1.989mol
Answer: B
Sindh -> 9th Class -> Chemistry  -> Chemical Bonding Abdul Hadi
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Chemical Bonding MCQ: 2 days ago

Carbon burn in air to from

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A: CO2
B: CO2+heat
C: CO+haet
D: CO2 +light
Answer: B
Sindh -> 9th Class -> Chemistry  -> Chemical Bonding Abdul Hadi
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Chemical Combinations MCQ: 2 days ago

No.Of mole in 50g of Na is

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A: 4.21 mol
B: 2.173 mol
C: 6.21 mol
D: 4.6621 mol
Answer: B
Sindh -> 9th Class -> Chemistry  -> Chemical Combinations Abdul Hadi
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Chemical Combinations MCQ: 2 days ago

The molar mass of H2SO4 is

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A: 98 pg
B: 98 kg
C: 98 g
D: 98ng
Answer: C
Sindh -> 9th Class -> Chemistry  -> Chemical Combinations Abdul Hadi
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Chemical Combinations MCQ: 2 days ago

The molecular formula mass os ozone

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A: 48 a.m.u
B: 55a.m.u
C: 31a.m.u
D: 95a.m.u
Answer: A
Sindh -> 9th Class -> Chemistry  -> Chemical Combinations Abdul Hadi
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Acids, Bases and Salts MCQ: 2 days ago

Salts that are formed by the reaction of strong acid and weak base are called

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A: Acidic
B: basic
C: Normal
D: neutral
Answer: A
Sindh -> 9th Class -> Chemistry  -> Acids, Bases and Salts Abdul Hadi
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Acids, Bases and Salts MCQ: 2 days ago

Alum are

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A: single salt
B: double salt
C: triple salt
D: none
Answer: B
Sindh -> 9th Class -> Chemistry  -> Acids, Bases and Salts Abdul Hadi
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Acids, Bases and Salts MCQ: 2 days ago

all base have _____________ tase

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A: acid
B: base
C: salt
D: none
Answer: B
Sindh -> 9th Class -> Chemistry  -> Acids, Bases and Salts Abdul Hadi
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Acids, Bases and Salts MCQ: 2 days ago

Milk of magnesia is a common Base use an _______________ purpose

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A: laxative
B: drying
C: washing
D: remove stain
Answer: A
Sindh -> 9th Class -> Chemistry  -> Acids, Bases and Salts Abdul Hadi
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Acids, Bases and Salts MCQ: 2 days ago

______ can change colour red litmus to blue

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A: acid
B: base
C: salt
D: none
Answer: B
Sindh -> 9th Class -> Chemistry  -> Acids, Bases and Salts Abdul Hadi
www.pkmcqs.com