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SAI INTERNATIONAL SCHOOL
CLASS-VII
SUBJECT- CHEMISTRY
TOPIC-PHYSICAL AND CHEMICAL CHANGES
SUB-TOPIC- CHEMICAL CHANGE
Objective Questions/ MCQs:-
Choose the correct option/options
Q. Questions Skill Marks
No.
1. When we open a cold drink bottle........ gas is evolved. R 1
a. Carbon dioxide
b. Sulphur dioxide
c. Oxygen
d. Nitrogen
2. Burning of a candle is an example of U 1
a) Physical change
b) Chemical change
c) Slow change
d) Both a) and b)
3. Which of the following is not a chemical change? U 1
a. Formation of curd.
b. Baking of cake
c. Condensation of vapour.
d. Cooking of food.
4. Which of the following is not related with cooking? U 1
a) Food becomes soft.
b) It helps to digest easily.
c) A chemical change happens.
d) A physical change happens.
5. The substance is formed after a chemical reaction is K&U 1
called.........
a) Element
b) Molecule
c) Product
d) Reactant
6. Which pair of reactions is chemical in nature? K&A 1
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