Class 12 chemistry questions bank solution 2022

A question bank has questions of Physics and Chemistry. The number of questions of Chemistry are 3.5 times the number of questions of Physics. If there are 90 questions in the question , bank find the number of questions of Physics and Chemistry in the question bank .

class 10 exercise 8.4 question 4 part 1and2

The pH values of three solutions A, B and C are given. Solution A: ph value 12, Solution B: ph value 2, Solution C, pH value 7. Answer the following questions Which solution will trun red litmus solution blue

The pH values of three solutions A, B and C are given. Solution A: ph value 12, Solution B: ph value 2, Solution C, pH value 7. Answer the following questions Which solution will have no effect on litmus solution

The pH values of three solutions A, B and C are given. Solution A: ph value 12, Solution B: ph value 2, Solution C, pH value 7. Answer the following questions Which solution will liberate CO_(2) when reacted with sodium carbonate

Class 12 ncert maths solution chapter vector algebra exercise 10.2 Qno.4,5

In a class of 30 pupils, 12 Chemistry, 16 take Physics and 18 take History. If all the 30 students take at least one subject and no one take all three, then find the number of pupils taking 2 subjects.