Quiz # 9

ATTEMPT IN HINDI

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#1 Stainless steel is an alloy of –

Stainless steel contain carbon, chromium, and nickel.

#2 The chemical used in developing photograghic films is –

In photography, silver bromide is used on photographic film, because it is unusually sensitive to light exposure. 

#3 Find the odd one.

Marble, chalk and limestone are the natural forms of calcium carbonate, (CaCO3). Slaked lime is the traditional name of calcium hydroxide, Ca(OH)2.

#4 Galena is a mineral of –

Galena is a mineral of lead.

#5 Steel contains how much percentage of carbon –

The carbon content of steel is between 0.002% and 2.14% by weight.

finish
ATTEMPT IN HINDI
July 19, 2019

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