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For the following questions answer them individually
Which one of the following is a Sedimentary Rock ?
Match the following.
1-b, 2-c, 3-a
1-c, 2-a, 3-b
1-a, 2-c, 3-b
1-c, 2-b, 3-a
What is the name of the device used to convert alternating current into direct current?
A person with blood group O’ can receive blood from a person with blood group____
Only A, B
O & AB
A, B & O
Potassium Permanganate is used for purifying drinking water, because_________
It is a reducing agent
It is an oxidising agent
It is a sterilising agent
It dissolves the impurities of water
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