RRB GROUP D Chemistry Quiz - 14

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Question 1:

The maximum number of electrons present in n = 3 and l = 1 is

Question 2:

A diver is able to cut through water in a swimming pool. Which property of matter does this observation show?

Question 3:

Which one of the following statements is NOT correct ?

Question 4:

Which of the following  scientists established the laws of chemical combination?

Question 5:

Who predicted the existence of some yet to be discovered elements on the basis of gaps in his periodic table ?

Question 6:

Which of the following metals is present in high concentration in the body of fishes?

Question 7:

Which of the following oxides is neutral in character?

Question 8:

Steam cause more burns than water at 373 K temperature because 

Question 9:

Parameter for the true representation of organic pollution is-

Question 10:

Which one of the following was the first mineral acid discovered?