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Chemistry

Chemistry
The important metal used with iron to produce stainless steel is

Carbon
Chromium
Aluminium
Tin

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Chemistry
Which of the following is not a derivative of barbituric acid

Equanil
Veronal
Nembutal
Amytal

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Chemistry
The metal present in vitamin B12 is

Mg
Fe
Mo
Co

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Chemistry
Soap helps in better cleaning of clothes because

It gives strength to solution
It absorbs the dirt
Soap acts like catalyst
It reduces the surface tension of solution

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Chemistry
Terylene is a condensation polymer of ethylene glycol and which acid?

Terephthalic acid
Salicylic acid
Phthalic acid
Benzoic Acid

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Chemistry
The inexpensive and commonly used variety of glass is called soda glass.

was used initially for making bottles of soda(carbonated drink)
was initially used for storing sodium carbonate
is made using soda lime
is made using soda(sodium carbonate)

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