EASY
10th CBSE
IMPORTANT
Earn 100

Graphite is a soft lubricant extremely difficult to melt. The reason for this anomalous behaviour is that graphite

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Important Questions on Carbon and Its Compounds

MEDIUM
10th CBSE
IMPORTANT
Which of the following represent the correct order of unsaturation?
MEDIUM
10th CBSE
IMPORTANT
The general formula of alcohol is
EASY
10th CBSE
IMPORTANT
The reaction 2C2H5OH+2Na2C2H5ONa +H2 suggests that ethanol is
HARD
10th CBSE
IMPORTANT
Which of the following substance is added to denature ethanol?
EASY
10th CBSE
IMPORTANT
Detergents are sodium or potassium salts of long chain
EASY
10th CBSE
IMPORTANT
Which of the following salts when dissolved in water produce hard water?
EASY
10th CBSE
IMPORTANT
Which class of organic compounds give effervescence with NaHCO3 solution?