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
Eduwiser's CBSE Chemistry For Class X>Chapter 4 - Carbon and Its Compounds>Exercise 9>Q 21
Which of the following represent the correct order of unsaturation?
MEDIUM
10th CBSE
IMPORTANT
Eduwiser's CBSE Chemistry For Class X>Chapter 4 - Carbon and Its Compounds>Exercise 9>Q 22
The general formula of alcohol is
EASY
10th CBSE
IMPORTANT
Eduwiser's CBSE Chemistry For Class X>Chapter 4 - Carbon and Its Compounds>Exercise 9>Q 23
Wine contains
EASY
10th CBSE
IMPORTANT
Eduwiser's CBSE Chemistry For Class X>Chapter 4 - Carbon and Its Compounds>Exercise 9>Q 24
The reaction 2C2H5OH+2Na→2C2H5ONa +H2 suggests that ethanol is
HARD
10th CBSE
IMPORTANT
Eduwiser's CBSE Chemistry For Class X>Chapter 4 - Carbon and Its Compounds>Exercise 9>Q 25
Which of the following substance is added to denature ethanol?
EASY
10th CBSE
IMPORTANT
Eduwiser's CBSE Chemistry For Class X>Chapter 4 - Carbon and Its Compounds>Exercise 9>Q 26
Detergents are sodium or potassium salts of long chain
EASY
10th CBSE
IMPORTANT
Eduwiser's CBSE Chemistry For Class X>Chapter 4 - Carbon and Its Compounds>Exercise 9>Q 27
Which of the following salts when dissolved in water produce hard water?
EASY
10th CBSE
IMPORTANT
Eduwiser's CBSE Chemistry For Class X>Chapter 4 - Carbon and Its Compounds>Exercise 9>Q 28
Which class of organic compounds give effervescence with NaHCO3 solution?