MCQs
Read every question, see the correct answer, and understand the explanation at your own pace. Study mode has no timer and no negative marking.
Correct answer
D. H2O
Explanation
H2O is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
A. zero
Explanation
zero is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
B. Four
Explanation
Four is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
C. rechargeable
Explanation
rechargeable is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
C. Hydrogen Gas & Water
Explanation
Hydrogen Gas & Water is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
C. the amount of ozone layer is greater in the region close to the equator
Explanation
the amount of ozone layer is greater in the region close to the equator is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
D. gives the minimum amount of the product under consideration
Explanation
gives the minimum amount of the product under consideration is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
B. Decreases as the reaction proceeds
Explanation
Decreases as the reaction proceeds is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
A. Nucleus
Explanation
The nucleus is the positively charged centre of an atom and contains most of its mass. It is composed of protons, which have a positive charge, and neutrons, which have no charge.
Correct answer
D. formamint
Explanation
formamint is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.