Science Question Bank
for Exam preparation

Q2. What is the chemical name of Baking Soda?

1. Potassium Carbonate
2. Potassium Hydrogen Carbonate
3. Sodium Hydrogen Carbonate
4. Sodium Carbonate

Q3. Name a gas which is produced from fermentation of sugar?

1. Ammonia
2. Butane
3. Propane
4. Carbon Dioxide

Q4. The magnetic field produced by a current carrying solenoid is similar to the magnetic field produced by a:

1. Bar magnet
2. Ring magnet
3. Rod magnet
4. Horse shoe magnet

Q5. The acidic nature and basic nature of some salt solutions can be explained on the basis of:

1. Splitting of a salt compound
2. Hydrolysis of salts
3. Both A and B
4. Only B

Q6. The energy possessed by a body due to its position is called:

1. Kinetic Energy
2. Potential Energy
3. Mechanical Energy
4. Electrical Energy

Q7. On what does the strength of magnetic field produced by a current carrying solenoid depend?

1. Number of turns in solenoid
2. Strength of current
3. Nature of core material
4. All of the above

Q8. Substances through which electricity cannot flow are called:

1. Conductors
2. Insulators
3. Wires
4. Battery

Q9. Which of the following device converts chemical energy in to electrical energy?

1. Battery
2. Loud Speaker
3. Solar Cell
4. Electric Motor

Q10. The sky appears black from the moon because of:

1. Lack of atmosphere
2. Lack of cloud
3. Lack of oxygen and CO2
4. None of these