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WBJEE 2019 Chemistry Revision Quiz 1

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Question 1

Which of the following molecules has the shortest carbon-to-carbon bond?

Question 2

Which of the following is the correct increasing order of I.P. of third period elements?

Question 3

The most stable ion is:

Question 4

The actinoids exhibit more number of oxidation states in general than the lanthanoids because

Question 5

What are the products formed when Li₂CO₃ undergoes decomposition?

Question 6

The silicate anion in a particular silicate mineral is in a chain of three SiO₄ tetrahedra, that share corners with adjacent tetrahedra. The charge of silicate anion is-

Question 7

What is the concentration of nitric acid in a sample of density, 1.41 g/mL and mass percent of nitric acid in it being 69%?

Question 8

The compound 1 and 2 can be regarded as

Question 9

Synthetic polymer bakelite can be prepared from following compounds

Question 10

The usage of which of the following does not make insects resistant against them?

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Dec 24JEE & BITSAT