The ratio of pure gold in 18 carat gold is:
Question: The ratio of pure gold in 18 carat gold …
MCQs
Potassium Permanganate is used for purifying drinking water, because:
Question: Potassium Permanganate is used for purifying drinking water, because: …
Brass is an alloy of:
Question: Brass is an alloy of: (a) Nickel and Copper …
Of the following metals, which one pollutes the air of a big city?
Question: Of the following metals, which one pollutes the air …
Liquefied Petroleum gas (LPG) consists of mainly:
Question: Liquefied Petroleum gas (LPG) consists of mainly: (a) Methane, …
Which of the following is used as lubricant?
Question: Which of the following is used as lubricant? (a) …