Question Text
Question 1 :
Which of the following is correct regarding the given chemical reaction? AB + CD{tex}\rightarrow{/tex}AD + CD
Question 3 :
In.............reaction, molecules of the reactants adsorb light energy to get activated and then react rapidly,
Question 8 :
On immersing an iron nail in CuSO<sub>4</sub> solution for few minutes, you will observe that:
Question 9 :
Acid that is accidentally spilled on our clothes or body can be neutralised with.....solution,
Question 12 :
A chemical bond is a...............that holds the atoms of a molecule together, as in a compound,
Question 13 :
When crystals of lead nitrate are heated strongly in a dry test tube:
Question 16 :
When someone is stung by bee, which of the following acid is released by the bee?
Question 18 :
The catalyst used as a promotor for the formation of ammonia gas is:
Question 20 :
Name the acid that is released when a bee stung our body.
Question 25 :
Dilute hydrochloric acid is added to granulated zinc taken in a test tubeThe following obervations are recordedPoint out the correct observation.
Question 26 :
When insoluble substance is formed in a chemical reaction, it is called as...