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9th Class Chemistry Chapter Wise MCQs:

Karachi board, Sukkur board, Hyderabad board, Larkana board, Mirpur Khas board.

Sindh->9th Class->Chemistry MCQs

Sindh Question:

The most Electronegative Element is :

A: Chlorine
B: Iodine
C: Astatine
D: Fluorine
Answer: D

Sindh Question:

The metal that liberates hydrogen gas when treated with dil. HNO3 is

A: Copper
B: Aluminium
C: Zinc
D: Magnesium
Answer:

Sindh Question:

who arranged the elements in the Periodic table?

A: Rutherford
B: Neil Bohr
C: Jhon Dalton
D: Mendeleef
Answer: D

Sindh Question:

calculate the No. of mole in 40g of H2O

A: 5.7787 mol
B: 2.222 mol
C: 1.262mol
D: 1.989mol
Answer: B
Abdul Hadi

Sindh Question:

Carbon burn in air to from

A: CO2
B: CO2+heat
C: CO+haet
D: CO2 +light
Answer: B
Abdul Hadi

Sindh Question:

No.Of mole in 50g of Na is

A: 4.21 mol
B: 2.173 mol
C: 6.21 mol
D: 4.6621 mol
Answer: B
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Sindh Question:

The molar mass of H2SO4 is

A: 98 pg
B: 98 kg
C: 98 g
D: 98ng
Answer: C
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Sindh Question:

The molecular formula mass os ozone

A: 48 a.m.u
B: 55a.m.u
C: 31a.m.u
D: 95a.m.u
Answer: A
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Sindh Question:

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

A: Acidic
B: basic
C: Normal
D: neutral
Answer: A
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Sindh Question:

Alum are

A: single salt
B: double salt
C: triple salt
D: none
Answer: B
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Sindh Question:

all base have _____________ tase

A: acid
B: base
C: salt
D: none
Answer: B
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Sindh Question:

Milk of magnesia is a common Base use an _______________ purpose

A: laxative
B: drying
C: washing
D: remove stain
Answer: A
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Sindh Question:

______ can change colour red litmus to blue

A: acid
B: base
C: salt
D: none
Answer: B
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Sindh Question:

______ can change colour blue litmus to red

A: acid
B: base
C: salt
D: none
Answer: A
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Sindh Question:

Vinegar is a/an

A: acid
B: salt
C: base
D: neutral
Answer: A
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Sindh Question:

Ph of water is

A: equal to 7
B: less than 7
C: more than 7
D: none of these
Answer: A
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Sindh Question:

Ph of acid is

A: equal to 7
B: less than 7
C: more than 7
D: none of these
Answer: B
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Sindh Question:

All acid have _______ taste

A: sour
B: bitter
C: sweet
D: salty
Answer: A
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Sindh Question:

Our stomach produce _______ acid

A: CO2
B: HCl
C: AgNO3
D: O2
Answer: B
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Sindh Question:

Our stomach produce _______ acid

A: CO2
B:
C:
D:
Answer: A
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Sindh Question:

When acids react with bases ______________ are produce

A: salts
B: halogens
C: Oils
D: Alkali metal
Answer: A
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Sindh Question:

When was oxygen fist discovered?

A: 1772
B: 1775
C: 1773
D: 1776
Answer: A

Sindh Question:

The suspended particles in suspensions are generally of the size

A: 10nm
B: 100nm
C: 1200nm
D: 50nm
Answer: B

Sindh Question:

Hydrogen's electro negativity (E.N) is_____ .

A: 0.8
B: 2.1
C: 1.2
D: 3.5
Answer: B
8bptube

Sindh Question:

Sulphuric acid was discovered by

A: Jabir bin hayyan
B: Al razi
C: Al beruni
D: Berzellius
Answer: A

Sindh Question:

how many state of matter

A: 3
B: 5
C: 4
D: 7
Answer: A

Sindh Question:

How many branches in chemistry

A: 10
B: 6
C: 8
D: 12
Answer: C

Sindh Question:

Mass can neither be created nor destroyed during a chemical reaction is the law of

A: Mass combination
B: Multiple proportion
C: Constant compostion
D: Reciprocal proportion
Answer: A

Sindh Question:

Mass can neither be created nor destroyed during a chemical reaction is the law of

A: Convservation of mass
B: Multiple proportion
C: Constant compostion
D: Reciprocal proportion
Answer: A

Sindh Question:

How to create water for chemistry

A: H2 0
B: H3o
C: HH2 o
D: H4c
Answer: A