Chemistry
Which of the following can be found as pollutants in the drinking water in some parts of India? Select the correct answer using the code given below.(A) Arsenic (B) Sorbitol (C) Fluoride (D) Formaldehyde (E) Uranium

A, B, C, D and E
A, C and E
B, D and E
A and C

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
Why is water not suitable for putting out a petrol fire ?

Petrol is too inflammable to be extinguished by water
The heat required for combustion of petrol is very low
The oxygen content of water is isolated by petrol and thus it helps in burning
Water, being heavy, slips below petrol which thus remains in contact with air and burns

ANSWER DOWNLOAD EXAMIANS APP