9th Class Chemistry MCQs

What is the particle size in suspension?

1. 10 nm^3
2. 10 nm^2
3. Less than 10 nm^3
4. Greater than 10 nm^3

The branch of Chemistry which deals with hydrocarbons:

1. Industrial chemistry
2. Inorganic chemistry
3. Organic chemistry
4. Physical chemistry

Alloy of Cu - Sn is called:

1. Brass
2. Bronze
3. Monel
4. Bell metal

Which one of the following is Alloy?

1. Graphite
2. Mercury
3. Steel
4. Water

Value of 1 Farady is equal to:

1. 9.65 C
2. 9650 C
3. 96500 C
4. 965 C

Which one of the following is non-electrolyte?

1. Aqueous HCl
2. Aqueous NaCl
3. Molten KCl
4. Urea

Which one of the following is oxidizing agent?

1. Al
2. H2S
3. Cl2
4. NaH

Which one of the following is reducing agent?

1. H2S04
2. HNO3
3. Al
4. I2

Which one of the following forms weak electrolyte solution with water?

1. HCl
2. KOH
3. NaCl
4. CH3COOH

In Daniel cell ____ is used as cathode.

1. Zn
2. Cu
3. Sn
4. Pb