General Science Class 9 MCQS

Butter is example of solution?

1. Gas-liquid
2. Solid-liquid
3. Liquid-solid
4. Gas-solid

A solution that contain solid solute into liquid solvent is called?

1. Solids in gas
2. Liquids in solids
3. Solids in solids
4. Solids in liquid

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

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