RRB JE Mock Test 2019

1. In a car battery, electrolyte substance used is-     (2)

  1. 1. Hydrochloric acid
  2. 2. Sulphuric acid
  3. 3. Nitric acid
  4. 4. Distilled water
2. The energy, found in dry cell is-    (3)

  1. 1. Mechanic
  2. 2. Electric
  3. 3. Chemical
  4. 4. Electromagnetic
3. A pungent smell often present near the urinals is due to-    (3)

  1. 1. Sulphur-di-oxide
  2. 2. Chlorine
  3. 3. Ammonia
  4. 4. Urea
4. Which chemical substance is used for making rat poison?     (3)

  1. 1. Ethyl Alcohol
  2. 2. Methyl Isocyanate
  3. 3. Potassium Cyanide
  4. 4. Ethyl Isocyanide
5. Which gas is used in fire extinguisher?           (1)

  1. 1. Carbon dioxide
  2. 2. Hydrogen
  3. 3. Oxygen
  4. 4. Sulphur dioxide