RRB GROUP D Chemistry Quiz - 6

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Question 1:

Which of the following options represents the chemical formula for pentane?

Question 2:

Which of the following postulates of Dalton was failed?

Question 3:

Which of the following is polar molecular solids ?

Question 4:

Which of the following elements does not contain neutrons?

Question 5:

Which one of the following metal is more reactive than iron but less reactive than aluminium?

Question 6:

Which gas is released when natural gas burns in air ?

Question 7:

In honey which of the following sugars predominate ?

Question 8:

Which of the following elements have 5 valence electrons?

  1. Nitrogen
  2. Phosphorous
  3. Sodium
  4. Aluminum

Question 9:

Which of the following has the maximum number of isotopes ?

Question 10:

Solid A is a very hard electrical insulator in solid as well as in molten state and melts at extremely high temperature. What type of solid is it?