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

6.	The nucleus of a hydrogen atom consists of -

	A. 1 proton only	B. 1 proton + 2 neutrons
	C. 1 neutron only	D. 1 electron only
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	Answer & Solution Hide Solution Box Answer : A Solution : 1 proton only Report error Hide Error Report Box

7.	Which is used in preparation of dynamite?

	A. Glycerol	B. Ethyl alcohol
	C. Methyl alcohol	D. Glycol
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	Answer & Solution Hide Solution Box Answer : A Solution : Glycerol Report error Hide Error Report Box

8.	Air contains maximum amount of -

	A. Oxygen	B. Nitrogen
	C. Hydrogen	D. Carbon - dioxide
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	Answer & Solution Hide Solution Box Answer : B Solution : Nitrogen Report error Hide Error Report Box

9.	The chemical name of washing soda is -

	A. Sodium sulphate	B. Sodium Bicarbonate
	C. Sodium carbonate	D. Sodium Biosulphate
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	Answer & Solution Hide Solution Box Answer : C Solution : Sodium carbonate Report error Hide Error Report Box

10.	Periodic table was given by -

	A. Faraday	B. Lavoisier
	C. Arrhenius	D. Mendeleef
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	Answer & Solution Hide Solution Box Answer : D Solution : Mendeleef Report error Hide Error Report Box

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