Do as Directed.

Questions

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5 questions · timed · auto-graded

Question 11 Mark

Statement are incorrect. write the correct statement:
Formation of frost during winter is an example of a chemical change.

Answer

Formation of frost during winter is an example of a physical change.

Question 21 Mark

Statement are incorrect. write the correct statement:
Glowing filament of an electric bulb is an example of a chemical change.

Answer

Glowing filament of an electric bulb is an example of a physical change.

Question 31 Mark

Statement are incorrect. write the correct statement:
During a physical change new products are formed.

Answer

During a physical change no new products are formed.

Question 41 Mark

Statement are incorrect. write the correct statement:
During a chemical change there is no change in weight.

Answer

During a chemical change there is no change in mass.

Question 51 Mark

Statement are incorrect. write the correct statement:
A physical change cannot be reserved.

Answer

A chemical change cannot be reserved.

Do as Directed. - CHEMISTRY STD 7 Questions - Vidyadip

CHEMISTRY Do as Directed.