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11th Chemistry Chapter 4 Hydrogen One Mark Question with Answer

Published on: 27/08/2019

Hydrogen

Download Tamil Nadu 11th Standard Chemistry question papers, model tests, one-mark questions, important questions, and public exam papers in PDF format. Free study materials and answer keys for TN State Board students.

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Std: 11th Standard - Chemistry

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Questions:

Multiple Choice Question

10 x 1 = 10

The half life period of Tritium is ___________

(a)

12.33 secs

(b)

12.33 mins

(c)

12.33 hrs

(d)

12.33 years

The radioactive isotope used in illumination of wrist watches instead of Radium is ___________

(a)

₁T³

(b)

₁D²

(c)

₁₀Ne²¹

(d)

₂He³

The radioactive isotope of hydrogen is __________

(a)

protium

(b)

deuterium

(c)

tritium

(d)

nascent hydrogen

Deuterium consists of _____________

(a)

one electron, two proton, three neutron

(b)

one electron, one proton, one neutron

(c)

two electron, one proton, one neutron

(d)

three electron, two proton, one neutron

_____________ is known as heavy hydrogen.

(a)

protium

(b)

deuterium

(c)

tritium

(d)

both a and b

The hardness of water can be determined by volumetrically using the reagent _____________

(a)

sodium thio sulphate

(b)

potassium permanganate

(c)

hydrogen peroxide

(d)

EDTA

If a body of a fish contains 1.2 g hydrogen in its total body mass, if all the hydrogen is replaced with deuterium then the increase in body weight of the fish will be ______________

(a)

1.2 g

(b)

2.4 g

(c)

3.6 g

(d)

\(\sqrt{4.8}\)g

Non-stoichiometric hydrides are formed by _____________

(a)

palladium, vanadium

(b)