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. XeOF4
Explanation
XeOF4 is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
A. Steel
Explanation
Steel is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
C. Mobile phase
Explanation
Mobile phase is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
C. Na2SO4. 10H2O
Explanation
Na2SO4. 10H2O is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
D. Sulphuric Acid
Explanation
Sulphuric Acid is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
C. esterification
Explanation
esterification is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
A. Cathode Rays
Explanation
Cathode rays are negatively charged rays. They are made up of negatively charged particles called electrons. Here are some things to know about cathode rays: Source Cathode rays are emitted from the cathode, which is the negative electrode, within the walls of a discharge tube. Discovery Sir John Joseph Thomson discovered electrons in 1897 after many experiments involving cathode rays. Deflection Cathode rays deflect in an electric field. When the top aluminum plate was negative, the rays moved down. When the upper plate was positive, the rays moved up. Particulate nature of electricity Thomson’s discovery established the particulate nature of electricity.
Correct answer
D. Heat resistant
Explanation
Heat resistant is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
B. properties depend upon mass
Explanation
properties depend upon mass is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
B. Germanium
Explanation
Germanium is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.