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Chemistry

Chemistry
Electric fuse is an alloy of

Carbon and tin
Copper and iron
Tin and lead
Zinc and lead

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Chemistry
Chemical formula of washing soda is

Na2SO4.10H2O
Na2CO3.10H2O
Ca(OH)2
NaHCO3

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Chemistry
The molecule which has the highest percentage of ionic character among the following is

HBr
HI
HF
HCI

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Chemistry
Smoke is formed due to

Gas dispersed in gas
Gas dispresed in solid
Solid dispresed in liquid
Solid dispersed in gas

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Chemistry
An electric iron has a heating element made of :

Copper
Nichrome
Zinc
Tungsten

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Chemistry
Which of the following is also used as a Bio fertilizer?

Uric Acid
Urea
Ammonia
None of these

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