Supratim Biswas
from
DPS RUBY PARK KOLKATA, kolkata
Subject :NSO Class : Class 7
Which of the following do not represent that a chemical change is taking place?
I. A gas is produced.
II. Precipitate is formed.
III. State of a substance changes
IV. A new odour is produced.
V. Shape of a substance changes
A I and V only
B I and IV only
C II, III and V only
D III and V only
Ans 5:
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Aryan Keswani
from
Delhi Public School, Mathura Road, New Delhi
Class : Class 10
The answer is D).Happy to Help
Ans 8:
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DAKSH GUPTA
from
A V B PUBLIC SCHOOL I P EXTENSION PATPARGANJ DELHI, DELHI
Class : Class 8
D IS THE RIGHT ANSWER BECAUSE IN PHYSICAL CHANGE STATE OF A SUBSTANCE CHANGES AND SHAPE OF SUBSTANCE ALSO CHANGES
Ans 9:
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DAKSH GUPTA
from
A V B PUBLIC SCHOOL I P EXTENSION PATPARGANJ DELHI, DELHI
Class : Class 8
D IS THE RIGHT ANSWER BECAUSE IN PHYSICAL CHANGE STATE OF A SUBSTANCE CHANGES AND SHAPE OF SUBSTANCE ALSO CHANGES