Basic Concepts of Chemistry Test +2 Sc 1st Year Chemistry

Basic Concepts of Chemistry
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Basic Concepts of Chemistry

1 / 10

A gas X has Cp and Cratio as 1.4, at NTP 11.2 L of gas X will contain_______ number of atoms

2 / 10

Which one will have maximum numbers of water molecules?

3 / 10

Boron exists as two stable isotopes; 10B(19%) and 11B(81%). Find out the average atomic weight of boron in the periodic table

4 / 10

Which of the species is not paramagnetic?

5 / 10

Find the volume of O2 required to burn 1 L of propane completely, measured at 0℃ temperature and 1 atm pressure

6 / 10

Pressure has the same dimension as ____________

7 / 10

Elements X and Y combine to form two compounds XY and X2Y. Find the atomic weight of X and Y, if the weight of 0.1 moles of XY is 10g and 0.05 moles of X2Y is 9g

8 / 10

The number of atoms present in 0.1 moles of a triatomic gas is

9 / 10

There are two chlorides of sulphur S2Cl2 and SCl2. What is the equivalent mass of S in SCl2

10 / 10

A container has an equal mass of H2, Oand CH4 at 27℃, the ratio of their volume is

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