The reaction of carbide with water gives
The reaction of carbide with water gives A. ethyne B. ethene C. ethane D. ethanal Correct Answer: Option…
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The chlorinated alkane often used industrially to remove grease is
The chlorinated alkane often used industrially to remove grease is A. tetrachloromethane B. chloromethane C. trichloromethane D. dichlorometane…
The conditions necessary for the extraction of a water molecule from two molecules of ethanol…
The conditions necessary for the extraction of a water molecule from two molecules of ethanol are A. less…
The repeating unit in natural rubber is
The repeating unit in natural rubber is A. alkyne B. isoprene C. n-propene D. peoprene Correct Answer: Option…
Unsaturated organic compounds are identified by decolourization of
Unsaturated organic compounds are identified by decolourization of A. silver bromine and potassium tetraoxomanganate (VII) solutions B. bromine…
The least easily oxidized of the metals below is
The least easily oxidized of the metals below is A. Ca B. Na C. Zn D. Al Correct…
Haematite is an ore of
Haematite is an ore of A. zinc B. lead C. iron D. copper Correct Answer: Option C Explanation
A common characteristics of copper and silver in their usage as coinage metals is that…
A common characteristics of copper and silver in their usage as coinage metals is that they A. have…
Potassium vapour burns with a
Potassium vapour burns with a A. blue flame B. brick-red flame C. violet flame D. golden-yellow flame Correct…
Synthesis gas is a mixture of
Synthesis gas is a mixture of A. CH4 and H2O B. CH4 and H2 C. CO2 and H2…