Top 10 MCQs of Chemistry

Top 10 MCQs of Chemistry

In this tutorial, we will see top 10 MCQs of chemistry.

  1. The number of electrons in phosphorus is 15 and the valence electrons must be…
A B C D
1 8 4 None
  1. Which of the following are fructose and glucose?
A B C D
Oligosaccharides Polysaccharides Starch Monosaccharides
  1. When hot molten liquid cools, then…
A B C D
impure substances may also form crystals it turns into gas first crystals are most pure it turns into an aqueous solution
  1. When hydrogen is added to an alkene, the process is called..
A B C D
Dehydration Hydrogenation Dehydrohalogenation None of these
  1. If we consider the universal indicators, red color shows
A B C D
strong alkalis weak acids weak bases strong acids
  1. Considering the structure of DNA, each strand is made up of
A B C D
Phosphate unit Deoxyribose sugar Nitrogen base All of these
  1. In the periodic table, valence electrons are indicated by…
A B C D
Electron Number Group Number Period Number Atomic mass
  1. Which of following is necessary for proper bone and tooth growth?
A B C D
Vitamin D Vitamin C Vitamin A Vitamin B
  1. OH are…
A B C D
corrosive turn litmus from red to blue turn litmus from blue to red non-metal oxides
  1. Source of caproic acid is…
A B C D
Palm oil Beef fat Butter Olive oil

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