Chemistry MCQs for Competitive exams and tests

Chemistry MCQs for Competitive exams and tests

In this tutorial, we will try to answer the Chemistry MCQs for Competitive exams and tests.

  1. The mass spectrometer has an advantage of ……
A B C D
determine the mass of an atom determine the charge of a particle determine particles provide data for data loggers
  1. Which of following is important in vision?
A B C D
Vitamin B Vitamin C Vitamin D Vitamin A
  1. Oxidation involves
A B C D
loss of oxygen loss of hydrogen gain in hydrogen gain in electrons
  1. Which of following is true about DNA?
A B C D
It has single strand It has ribose sugar It is present in cell nucleus It is synthesized by RNA
  1. Conversion of carbonate into oxides and carbon dioxide is called as
A B C D
combustion Neutralization Respiration Thermal decomposition
  1. The physical state of fat at room temperature is
A B C D
Liquid Solid Gas Neutral
  1. Vacuum distillation is used
A B C D
under low pressures under high pressures on gentle heating upon quick heating
  1. Which of following protects our heart and kidneys from injury?
A B C D
Skin Fat Muscles Lubricants
  1. In electrolysis of concentrated HCl, at a cathode
A B C D
oxygen gas is given off hydrogen gas is given off hydrogen chloride is given off chlorine gas is given off at the anode
  1. Which of following is used as a catalyst in hydrogenation reaction?
A B C D
Oxygen Hydrogen Calcium None of these

  List of All MCQs of Chemistry : Click Here .