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10th CBSE
IMPORTANT
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Which of the following represents the correct decreasing order of hydrogen atoms? 

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Important Questions on Carbon and Its Compounds

EASY
10th CBSE
IMPORTANT
PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 4 - Carbon and Its Compounds>Formative Assessment>Q 9
Detergents are sodium or potassium salts of long chain of
EASY
10th CBSE
IMPORTANT
PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 4 - Carbon and Its Compounds>Formative Assessment>Q 10
Which of the following represents the structure of N2 molecule?
EASY
10th CBSE
IMPORTANT
PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 4 - Carbon and Its Compounds>Formative Assessment>Q 11
In a double covalent bond, there is the sharing of:
HARD
10th CBSE
IMPORTANT
PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 4 - Carbon and Its Compounds>Formative Assessment>Q 12
Cation is formed when?
EASY
10th CBSE
IMPORTANT
PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 4 - Carbon and Its Compounds>Formative Assessment>Q 13
The total number of electrons that take part in forming a bond in N2 is
MEDIUM
10th CBSE
IMPORTANT
PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 4 - Carbon and Its Compounds>Formative Assessment>Q 14
Which of the following has the weakest carbon-carbon strength?
MEDIUM
10th CBSE
IMPORTANT
PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 4 - Carbon and Its Compounds>Formative Assessment>Q 15
Which of the following salt when dissolved in water produce hard water?
MEDIUM
10th CBSE
IMPORTANT
PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 4 - Carbon and Its Compounds>Formative Assessment>Q 2
Give a test that can be used to differentiate chemically between butter and cooking oil.