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
C. Bromine
Explanation
Bromine is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
B. Goiter
Explanation
Goiter is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
B. Germany
Explanation
The first controlled fission of an atom was carried out in Germany in 1938. Nuclear fission is the splitting of the nucleus of the atom.
Correct answer
A. Magnesium
Explanation
There are several metals which can be extracted from seawater and they are magnesium (Mg), sodium (Na), and calcium (Ca), out of them, sodium is one of the most common metal.
Correct answer
B. Carbon dioxide
Explanation
Carbon dioxide is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
D. 32
Explanation
32 is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
D. Gastric Juice
Explanation
Gastric Juice is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
C. Magnetic Field Strength
Explanation
Magnetic Field Strength is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
C. Nitrogen dioxide
Explanation
Nitrogen dioxide is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
D. USA
Explanation
Other countries have significant amounts of nuclear power generation capacity. By far the largest nuclear electricity producers are the United States with 808,028 GWh of nuclear electricity in 2019, followed by France with 395,908 GWh.