. . . . . . . . gas is used as a illuminated gas?
A. Ethine
B. Propane
C. Methyl
D. Butane
Answer: Option B
A. Ethine
B. Propane
C. Methyl
D. Butane
Answer: Option B
Traditional 'battery' contains which of the following chemicals?
A. Ethylene glycol
B. Sulphuric acid
C. Sodium bicarbonate
D. Ethanol
Join The Discussion