Chemistry, asked by hirangipatel2012, 4 months ago

Which of the following statement is incorrect?

i) All isotopes of same elements have different valency

ii) Position of hydrogen in modern periodic table is a demerit.

iii) Lead nitrate solution removes hydrogen sulphide in purification of hydrogen gas.

iv) Hydrogen is entrapped in rocks in free state.​

Answers

Answered by seemagupta6372
0

Answer:

C is the correct answer

Explanation:

and I wish that it will help you very much


hirangipatel2012: which one is incorrect?
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