Low visibility during cold weather is due to |
|
|||
(a) |
formation of fossil fuel |
(b) |
unburnt carbon particles or hydrocarbons suspended in air. |
|
(c) |
lack of adequate power supply |
(d) |
none of these |
Low visibility during cold weather is due to |
|
|||
(a) |
formation of fossil fuel |
(b) |
unburnt carbon particles or hydrocarbons suspended in air. |
|
(c) |
lack of adequate power supply |
(d) |
none of these |
Consider the following statements: (A) All hydrocarbons show phenomena of isomerism (B) The members of a homologous series have similar chemical and physical properties (C) Cyclic hydrocarbons are saturated or unsaturated organic compounds that containing of carbon atoms (D) Synthetic detergents are sodium or potassium salts of long chain carboxylic acids. Which of the above statement(s) is/are correct? |
|
|||
(a) |
Only (C) |
(b) |
Only (D) |
|
(c) |
(A), (B), and (C) |
(d) |
(A), (C) and (D) |
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