There are 200 individuals with a skin disorder, 120 had been exposed to the chemical `C_1`, 50 to chemical `C_2` and 30 to both the chemicals `C_1` and `C_2`. Find the number of individuals exposed to:
not exposed to any of the chemicals `C_1` and `C_2`.

There are 200 individuals with in skin disorder. 120 had been exposed to the chemical C_(1) , 50 to chemical C_(2) and 30 to both the chemicals C_(1) and C_(2) . Find the number of individuals exposed to : Chemical C_(1) but not chemical C_(2)

There are 200 individuals with in skin disorder. 120 had been exposed to the chemical C_(1) , 50 to chemical C_(2) and 30 to both the chemicals C_(1) and C_(2) . Find the number of individuals exposed to : Chemical C_(2) but not chemical C_(1)

There are 200 individuals with in skin disorder. 120 had been exposed to the chemical C_(1) , 50 to chemical C_(2) and 30 to both the chemicals C_(1) and C_(2) . Find the number of individuals exposed to : Chemical C_(1) or chemical C_(2) .

Write chemical name of Vitamin C.

Write the chemical equation for the action of atmosphere CO_2 gas on bleaching powder when exposed in open.

Give one chemical test to distinguish between C_2H_5Br and C_6H_5Br .

Write chemical name, deficiency disease and one source of vitamin-C.

A pharmaceutical company requires everyday 10,12,12 units of chemicals C_1,C_2 and C_3 respectively. A liquid product contains 5,2,and 1 units of chemicals C_1, C_2 and C_3 respectively per bottle and its cost is Rs.300 per bottle. A dry product contains 1,2 and 4 units of chemicals C_1, C_2 and C_3 respectively per box and it costs Rs.200 per box. how much quantitiy of either of the two products should be purchased daily in order to minimize the cost.

What is the chemical name of vitamin C and which disease is caused by its deficiency ?