Magnesium does not decompose in
(a) Cold water
(b) Semi hot water
(c) Steam
(d) Hot water
Answer:
Hydrogen peroxide does not act as
(a) Oxidising agent
(b) Reducing agent
(c) An acid
(d) Base
Answer:
The structure of boric acid is
(a) Trigional planer
(b) Hexagonal
(c) Planer
(d) Tetrahedral
Answer:
The variety of coal having the highest carbon content is
(a) Lignite
(b) Peat
(c) Anthracite
(d) Bituminous
Answer:
Which one of the following has maximum calorific value
(a) Oil gas
(b) Coal gas
(c) Water Gas
(d) Producer gas
Answer:
Ozone molecule is
(a) Tetrahedral
(b) Diamagnetic
(c) Linear
(d) Paramagnetic
Answer:
Which of the following is side as an antiseptic?
(a) Cl
(b) Br
(c) I
(d) F
Answer:
Who is called the father of chemistry
(a) Lavoisier
(b) Berzelius
(c) Faraday
(d) Wohler
Answer:
Bond length is shortest in
(a) Ethylene
(b) Ethane
(c) Methane
(d) Acetylene
Answer:
Paraffin dissolves in
(a) Salt water
(b) Benzene
(c) Distilled water
(d) Methanol
Answer: