environmental chemistry - Category wise Question and Answer Practice Test with Solutions

environmental chemistry PRACTICE TEST [3 - EXERCISES]

set 1

set 2

set 3

Question : 1

Which of the following practices will not come under green chemistry?

a) Using H2O2 for bleaching purpose instead of using chlorine based bleaching agents.

b) Using bicycle for travelling small distances instead of using petrol/ diesel based vehicles.

c) If possible, making use of soap made of vegetable oils instead of using synthetic detergents.

d) Using plastic cans for neatly storing substances.

Answer: (d)

Question : 2

Which of the following is a measure of organic pollution of water –

a) COD

b) BOD

c) DO

d) All of these

Answer: (d)

Question : 3

The gas leaked from a storage tank of the Union Carbide plant in Bhopal gas tragedy was

a) Methylamine

b) Ammonia

c) Methyl isocyanate

d) Phosgene

Answer: (c)

Methyl isocyanate, CH3 – N = C = O

Question : 4 [NDA]

Which one of the following correctly defines the state of glass?

a) Condensed gas

b) Super cooled liquid

c) Crystalline solid

d) Liquid crystal

Answer: (b)

Question : 5

The non-viable particulate is among the following is

a) Bacteria

b) Moulds

c) Dust

d) Fungi

Answer: (c)

Dust

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1707 environmental chemistry based general science mcq set 3 question answer with explanation pdf
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