Chemistry - Question & Answer with solution in Hindi & English

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Todays' Thought

Our fatigue is often caused not by work, but by worry, frustration and resentment.

- Dale Carnegie

अक्सर हमें थकान काम के कारण नहीं बल्कि चिंता, निराशा और असंतोष के कारण होती है |

- डेल कार्नेगी

Chemistry Question & Answer in English

Question in English

Question in Hindi

31.	The chemical symbol of sodium is -

	A. So	B. Sd
	C. Na	D. Nu
	View Answer Solution Report Error
	Answer & Solution Hide Solution Box Answer : C Solution : Na Report error Hide Error Report Box

32.	The acid generally stored in batteries is -

	A. Nitric Acid	B. Hydrochloric Acid
	C. Sulphuric Acid	D. Acetic Acid
	View Answer Solution Report Error
	Answer & Solution Hide Solution Box Answer : C Solution : Sulphuric Acid Report error Hide Error Report Box

33.	Brass is an alloy of -

	A. Copper and tin	B. Copper and Zinc
	C. Copper and Aluminium	D. Iron and Copper
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	Answer & Solution Hide Solution Box Answer : B Solution : Copper and Zinc Report error Hide Error Report Box

34.	Contact lenses are made from -

	A. Polyvinyle chloride	B. Teflon
	C. Poly styrene	D. Lucite
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	Answer & Solution Hide Solution Box Answer : A Solution : Polyvinyle chloride Report error Hide Error Report Box

35.	Which gas is filled in refrigerators -

	A. Chlorofluoro carbon	B. Acetylene
	C. Methane	D. Butane
	View Answer Solution Report Error
	Answer & Solution Hide Solution Box Answer : A Solution : Chlorofluoro carbon Report error Hide Error Report Box

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