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Chemistry

Chemistry
The hydronium ion is

H+
HO -
H3O+
H2+

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

Coconut oil
Groundnut oil
Sunflower oil
Mustard oil

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Chemistry
A fertile soil is likely to have a pH of

3
9
14
43989

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

Benzoic Acid
Terephthalic acid
Phthalic acid
Salicylic acid

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Chemistry
Maximum permissible concentration of copper in drinking water in mg/L is

0.05
1
0.01
2

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Chemistry
The sewage obtained from water closets and urinals is known as

Sanitary waste
Sullage
Industrial waste
Garbage

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