A. Alcohol
B. Lime
C. Oxalic Acid solution
D. Kerosene oil
A. Citric acid
B. Ascorbic acid
C. Tartaric acid
D. Tartaric acid
A. Nitrogen dioxide
B. Nitric oxide
C. Nitrogen pentoxide
D. Nitrous oxide
A. The volume of the body
B. The weight of the fluid displaced by it
C. The mass of the body
D. None of the above
A. Electric signals are first converted into sound waves
B. Sound waves are converted into electric signals which are amplified and transmitted
C. Sound waves are directly transmitted
D. Amplification is not required
A. Acetic
B. Hydrochloric
C. Sulphuric
D. Citric
A. 12 per cent
B. 8 per cent
C. 6 per cent
D. 16 per cent
A. Blue, green, yellow
B. Green, white, black
C. Red, blue, green
D. Yellow, red, blue