Type : II Basic General Knowledge
DIRECTIONS : Basic General Knowledge Questions and Answers
41. | Which of the following colours in the visible spectrum has maximum range? | ||
---|---|---|---|
A. Orange | |||
B. Indigo | |||
C. Violet | |||
D. Red |
42. | Caustic Soda is | ||
---|---|---|---|
A. NaOH | |||
B. NaCl | |||
C. NaHCO3 | |||
D. Na2CO3 |
43. | Which of the following gases is lighter than air? | ||
---|---|---|---|
A. Oxygen | |||
B. Ammonia | |||
C. Carbon Dioxide | |||
D. Chlorine |
44. | The metal used in storage batteries is | ||
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A. Iron | |||
B. Copper | |||
C. Lead | |||
D. Tin |
45. | Which of the following is the lighest gas? | ||
---|---|---|---|
A. Ammonia | |||
B. Carbon Dioxide | |||
C. Nitrogen | |||
D. Hydrogen |