General Science Chemistry
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(Q) What is the most commonly used Substance in fluorescent tubes?
Answer:- [C] Mercury vapour and argon
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(Q) What is "milk of magnesia” chemically?
Answer:- [D] Magnesium hydroxide
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(Q) Bronze is an alloy of which two metals?
Answer:- [C] Copper and Tin
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(Q) The natural source of hydrocarbon is?
Answer:- [A] Crude oil
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(Q) Which of the following is chiefly present in LPG (Liquefied Petroleum Gas)?
Answer:- [D] Butane
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(Q) Which one of the following metals is used to galvanize iron?
Answer:- [C] Zinc
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(Q) Which of the following is not a precious semiprecious stone?
Answer:- [C] Pearl
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(Q) Which among the following metals provides atmospheric oxide?
Answer:- [C] Aluminium
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(Q) Hamburger effect is otherwise known as?
Answer:- [C] Chloride shift
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(Q) Which among the following elements is found in maximum percentage in the human body?
Answer:- [D] Oxygen
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