State Whether the Following Are Physical Or Chemical Changes. Photosynthesis —

State whether the following is physical or chemical changes.

photosynthesis —

एक शब्द/वाक्यांश उत्तर

chemical change.

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पाठ 2: Physical and Chemical Changes - Objective Type Questions

पाठ 2 Physical and Chemical Changes
Objective Type Questions | Q 2.15

State the differences between a physical change and a chemical change.

Write true or false

Earthquake is a desirable change.

Match the columns.

Column A	Column B
1. a change which cannot be easily reversed	a. man-made change
2 a change that repeats itself at regular intervals	b. chemical chang
3. a change that is made by humans	c. physical change
4. a change in which the original substance cannot be obtained	d. periodic change
5. a change where no new substance is formed	e. irreversible change
	f . slow change

What are man-made changes ?

Select the chemical changes from the following list of changes

Change of seasons

In a solution of salt in water, water is the solute

When a woolen yarn is knitted to get a sweater, the change can be classified as ____________.

What is the difference between dissolution of sugar and burning of sugar ?

A physical change is generally____________.

Adding sugar to milk is a physical change.