Physical and Chemical Changes
Authored by Vijayasanthi M
Chemistry
7th Grade
NGSS covered
Used 2K+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A change in which a substance undergoes changes in its physical properties is called _____.
chemical change
physical change
irreversible change
biological change
Tags
NGSS.MS-PS1-4
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Browning of an apple after it is cut is an example of ____.
physical change
chemical change
reversible change
biological change
Tags
NGSS.MS-PS1-2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When Magnesium ribbon is burnt in oxygen, the product obtained is ___.
Magnesium chloride
Magnesium sulphate
Magnesium carbide
Magnesium oxide
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When Magnesium ribbon is ignited using a candle flame, it burns with a __________.
sparkling red light
dull yellow light
bright green light
brilliant white light
Tags
NGSS.MS-PS1-2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a physical change?
Rusting of iron
Melting of wax
Burning of coal
Curdling of milk
Tags
NGSS.MS-PS1-4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a chemical change?
Twinkling of stars
Cutting of fruits
Cooking of vegetables
Boling of water
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A chemical change may involve ____________.
change in color only
change in temperature only
evolution of gas only
all of the above
Tags
NGSS.MS-PS1-2
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