Science Question Bank
for Exam preparation

Science- Q2. What is the chemical name of Baking Soda?

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

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

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

Science- 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

Science- 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

Science- 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

Science- 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

Science- Q8. Substances through which electricity cannot flow are called:

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

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

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

Science- 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