IIT-JEE, AIEEE, AIPMT Some Basic Concepts of Chemistry-Paper-1 Online Test

One fermi is
A picometre is written as
One atmosphere is equal to
101.325 K pa
1013.25 K pa
None of these
Dimensions of pressure are same as that of
Energy
Force
Energy per unit volume
Force per unit volume

Giga
Nano
Mega
Exa
Given the numbers: 161cm, 0.161cm, 0.0161 cm. The number of significant figures for the three numbers are
3, 4 and 5 respectively
3, 3 and 3 respectively
3, 3 and 4 respectively
3, 4 and 4 respectively
Significant figures in 0.00051 are
5
3
2
4
Which of the following halogen can be purified by sublimation
A mixture of sand and iodine can be separated by
Crystallisatio
Sublimation
Distillation
Fractional distillation
Difference in density is the basis of
Ultrafiltration
Molecular sieving
Gravity Separation
Molecular attraction
Which of the following elements of matter would best convey that there is life on earth
Oxygen
Hydrogen
Carbon
Iron
The compound which is added to table salt for maintaining proper health is
KCl
The element similar to carbon is
Mg
Mn
Sn
Pb
Which of the following contains only one element
Marble
Diamond
Glass
Sand
In known elements, the maximum number is of
Metals
Non-metals
Metalloids
None of these
Description:

Some Basic Concepts of Chemistry - Test 1

Tags:

IIT JEE  AIEEE  AIPMT  AFMC  CET  CBSE

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1428 days 13 hours 51 minutes ago

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what is singnificant no.

1579 days 21 hours 19 minutes ago

Devesh Raj

some thing wrong on 7th question

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1728 days 14 hours 41 minutes ago

Nitish C

Answers to question numbers 7 and 14 are wrong.For question 7 the answer should be 2 significant figures not 4 and for question 14 the answer should be Diamond not glass.Is it correct?

1834 days 11 hours 1 minutes ago

Rohan

glass has Si and O element while diamond has only carbon element ? is it right or wrong?

1929 days 11 hours 11 minutes ago

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