Science Question Bank
for Exam preparation

Q2. Which of the following compound is not used as an alkali?

1. Sodium hydroxide
2. Potassium hydroxide
3. Carbon hydroxide
4. Nitrogen hydroxide

Q3. Which of the following statement (s) is/are correct about viscosity?

1. It is a measure of a fluid's resistance to flow.
2. It is typically measured in dynes/cm, the force in dynes required to break a film of length 1 cm.
3. It is the ability of a body to resist a distorting influence or stress and to return to its original size and shape when the stress is removed.
4. None of the above

Q4. Name the salt when dissolved in water give an acidic solution?

1. Potassium Chloride
2. Ammonium Chloride
3. Sodium Carbonate
4. Sodium Acetate

Q5. The most visually striking evidence of global warming is:

1. The increased precipitation along the Gulf coast states
2. Highly varying temperature fluctuations felt during the winter months
3. Rapid melting of glacial ice on nearly every continent
4. All of the above

Q6. What is the work done in moving a unit positive charge from infinity to that point in electric field called?

1. Electric potential
2. Potential difference
3. Electric current
4. Electric circuits

Q7. Mention the source of Liver, milk, egg yolk, fish liver oil?

1. Vitamin A
2. Vitamin B2
3. Vitamin D
4. Vitamin C

Q8. Consider following statements: I. Green chemistry focuses on effects of chemical pollutants on nature. II. Environmental chemistry focuses on technological approach to prevent pollution. Which statement(s) is/are correct?

1. Only I
2. Only II
3. Both I & II
4. Neither I nor II

Q9. Name a gas which is produced from fermentation of sugar?

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

Q10. What is the formula for calculating resistivity of the material of a conductor?

1. Resistivity = R * A/ L
2. Resistivity = R + A/ I
3. Resistivity = R - A/ I
4. Resistivity = R * A