1.
A solution having major quantity of solute is called _______ solution.
2.
When salt is dissolved in water, the water is
3.
A change which results into a totally new material is called _______ change.
4.
Which one is NOT a chemical change?
5.
The change of milk into yogurt is.
6.
Which factor will NOT affect the dissolving of sugar in water?
7.
The change in which both appearance and composition so substance or matter changes are called _______ change.
8.
Burning of paper is a _______ change.
9.
A change in which no new material is formed with different properties then such change is called a _______ change.
10.
Iron + oxygen = _______
11.
When the flame develops during combustion reaction, then it is called _______.
12.
_______ change can be reversed.
13.
Why a person painted his iron gate?
14.
A solution having minor quantity of solute is called _______ solution.
15.
When solid or liquid things put into water and its particles dissolves uniformly to form a mixture called _______.
16.
The process in which bacteria and fungi decompose the dead bodies into simple components is called _______.
17.
The change that occurs on the iron due to the action of oxygen and water is called _______.
18.
To prevent iron from _______, its surface is painted with oil or chromium.
19.
In a solution, the substance that dissolves in liquid and is in less quantity is called a _______.
20.
In a solution, the substance that dissolves a solute, and is in more quantity is called a _______.
21.
The remains of dead organisms and waste matters disappear gradually through _______.
22.
When salt is dissolved in water, the salt is ______
23.
There are _______ important components of solution.
24.
What type of change is it when metal expands on heating?
25.
The _______ develops during combustion reaction.
26.
The _______ change cannot be reversed.
27.
The rate of dissolving salt in water can be increased by:
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