The liquid product of the destructive distillation of coal is
The liquid product of the destructive distillation of coal is A. kerosene B. ethanol C. ammoniacal liquor D.…
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Petrol consists mainly of
Petrol consists mainly of A. polymers B. alkanoates C. hydrocarbons D. alktanols E. alkenes Correct Answer: Option C…
A device used in the laboratory for intermittent production of gases without heating is
A device used in the laboratory for intermittent production of gases without heating is A. Leibing condenser B.…
Aluminium is extracted from
Aluminium is extracted from A. magnetite B. cryolite C. bauxite D. cassiterite Correct Answer: Option C Explanation
Metals are said to be malleable because they
Metals are said to be malleable because they A. are good conductors heat B. are good conductors of…
Two metallic ions commonly present in hard water are
Two metallic ions commonly present in hard water are A. Ca2+ and Zn2+ B. Cu2+ and Na+ C.…
Rusting of iron is an example of
Rusting of iron is an example of A. deliquescence B. decomposition C. displacement reaction D. redox reaction E.…
Rusting of iron is an example of
Rusting of iron is an example of A. deliquescence B. decomposition C. displacement reaction D. redox reaction E.…
Which of the following can be added to dissolve the precipitate formed in the reaction…
Which of the following can be added to dissolve the precipitate formed in the reaction represented by the…
The spontaneity of a chemical reaction is determined by the change in the
The spontaneity of a chemical reaction is determined by the change in the A. concentration of the reactants…