General Knowledge
SYNTHETIC MATERIALS MCQs
Total Questions : 22
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Answer: Option A. -> Paraffin wax
Paraffin wax is obtained from petroleum by dewaxing light lubricating
oil stocks. It is used in candles, wax paper, polishes, cosmetics, and
electrical insulators. It assists in extracting perfumes from flowers,
forms a base for medical ointments, and supplies a waterproof coating
for wood. In wood and paper matches, it helps to ignite the matchstick
by supplying an easily vaporized hydrocarbon fuel.
Answer: Option D. -> flint glass
Answer: Option B. -> monocarboxylic acids
Answer: Option B. -> decrease the rate of setting of cement
Answer: Option C. -> Wood, calcium, hydrogen sulphite and resin
Answer: Option C. -> fertilisers
Answer: Option B. -> sand and silicates
Answer: Option C. -> cobalt oxide
Answer: Option C. -> Sulphur
Answer: Option B. -> By decreasing solubility of Soap