Chemistry Mcqs

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Chemistry MCQs

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Chemistry MCQs by CSS MCQs

Chemistry MCQs by CSSMCQs

Here, you will find all Chemistry MCQs with their Answers. These MCQs would help you achieve good marks in ALL kinds of entry tests of  FPSC, PPSC, KPPSC, SPSC, NTS, PTS, OTS, CTS, MDCAT, ECAT, ETEA, NUMS and all other entry tests preparation etc. They will also help you get better marks in any types of job or university admission tests. Our focus will be on the fundamental level of the Chemistry course. However, advance level and its main branches MCQs will also be shared with their correct answers. For other subject’s MCQs Click HERE

All of the following statements are incorrect for 20 mol of hydrogen peroxide except

A. it has 20 mol of hydrogen atoms
B. it has 30 mol of oxygen atoms
C. it has 80 mol of atoms
D. 30 mol of hydrogen atoms

Show Answer…
Correct Answer: C. it has 80 mol of atoms
» Read More…

If proton number of two atoms is same then it can be concluded that

A. they are isotopes
B. compounds of both with CI2 will be similar in reactivity towards other
compounds
C. both have same colors
D. both have same melting points

Show Answer…Correct Answer: B. compounds of both with CI2 will be similar in reactivity towards other compounds » Read More…

A chemist poured lemon juice on soil, the idea that he may have in his mind is that

A. there may be a possibility of a chemical reaction
B. lemon juice is dangerous to health
C. lemon juice is dangerous to health
D. water should be preferred over lemon juice for drinking

Show Answer…
Correct Answer: A. there may be a possibility of a chemical reaction
» Read More…