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Chemistry

Chemistry
________ gives hardness to stainless steel.

Zinc
Lead
Tin
Carbon

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Chemistry
The common name of sodium bicarbonate is

Baking powder
Soda ash
Soda lime
Baking soda

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Chemistry
Which one of the following is not a ‘green house gas’ ?

Methane
Nitrogen
Chlorofluorocarbons
Carbon dioxide

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Chemistry
The unit to measure the flow of water is

Milli curie
Cusecs
Micro Mho
Ohm meter

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Chemistry
Nylon is made up of :

Polyester
Polypropylene
Polyamide
Polyethylene

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Chemistry
Aquaregia is a mixture of the following in the ratio 1 : 3 by volume

Dil. HCl and dil. HNO3
Conc. HNO3 and conc. H2SO4
Conc. HNO3 and conc. HCl
Conc. HCl and conc. HNO3

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