Arrange the following in the decreasing order (most important first) of their importance, for the welfare of human society. Give reasons for your answer: Biogas, Citric acid, Penicillin and Curd.

Arrange the following In the decreasing order (most important list) of their importance, for the welfare of human society. Give reasons for your answer: Biogas

Arrange the following In the decreasing order (mosi important lirst) of their importance, for the welfare of human society. Give reasons for your answer: Citric acid.

Arrange the following In the decreasing order (mosi important lirst) of their importance, for the welfare of human society. Give reasons for your answer: Penicillin and Curd

Arrange the following in the decreasing order of their acidic strength and also give reason for it. HF,HBr,HCl

Arrange the following in the increasing order of their acidic strength HBrO, HClO, HIO and give reason.

Which of the following time measuring device is most precise? Give reasons for your answers.

Whether the following is statement or not ? Give reason for your answer : Rajendra Prasad was the first President of India.

Two dice are thrown. The events A, B and C are as follows : A : getting an even number on the first die B: getting an odd number on the first die C : getting the sum of numbers on the dice le 5 . State true or false (give reason for your answer): A and B are mutually exclusive and exhaustive.

Two dice are thrown. The events A, B and C are as follows : A : getting an even number on the first die B: getting an odd number on the first die C : getting the sum of numbers on the dice le 5 . State true or false (give reason for your answer): A and B are mutually exclusive.

Two dice are thrown. The events A, B and C are as follows: A: getting an even number on the first die. B: getting an odd number on the first die. C: getting the sum of the numbers on the dice le 10 . state true or false: (give reason for your answer):- A',B', C are mutually exclusive and exhaustive.