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Chemistry

Chemistry
Sea weeds are important source of

Bromine
Iodine
Iron
Chlorine

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Chemistry
Chemical composition of cement is

Limestone, Clay and Gypsum
Clay and Gypsum
Limestone and Clay
Limestone and Gypsum

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Chemistry
The length of double bond is _______ than single bond

Of same lenght
Shorter
None of these
Longer

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Chemistry
The basic chemical building block of natural rubber obtained from trees is

Isoprene
Neoprene
Acetylene
Vinyl Chloride

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Chemistry
Which of the following is the main compound of voter ink?

Silver Chloride
Ammonium Nitrate
Silver nitrate
Ammonium Chloride

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Chemistry
Which of the following vegetable oils does not contain essential fatty acids ?

Mustard oil
Groundnut oil
Coconut oil
Sunflower oil

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