EASY
10th CBSE
IMPORTANT
Earn 100
The colour of the paper strip turned red when it was dipped into a sample. The sample could be:
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Important Questions on Multiple Choice Questions(MCQ's)
MEDIUM
10th CBSE
IMPORTANT
A drop of colourless liquid was placed on blue litmus paper. The litmus paper turned red. The liquid could be:
MEDIUM
10th CBSE
IMPORTANT
A piece of granulated zinc was dropped into a copper sulphate solution. After some time, the colour of the solution changed from:
MEDIUM
10th CBSE
IMPORTANT
When sulphur dioxide gas is passed through acidified potassium dichromate solution, the colour of the solution changes from:
MEDIUM
10th CBSE
IMPORTANT
The odour of ethanoic acid resembles with:
EASY
10th CBSE
IMPORTANT
Which one of the following solutions would you see to test the pH of a given sample?
MEDIUM
10th CBSE
IMPORTANT
mL of dilute acetic acid was added to mL of water and the mixture was shaken for one minute. It was observed that:
HARD
10th CBSE
IMPORTANT
Four setup as given below were arranged to identify the gas that evolved when diluting hydrochloric acid was added to zinc granules. The most appropriate set-up is:
HARD
10th CBSE
IMPORTANT
Which two equipments would you choose to prepare and collect sulphur dioxide gas in the laboratory?
