Time Left - 25:00 mins

Class XI Chemistry Mole concept and Stoichiometry 4

Attempt now to get your rank among 1638 students!

Question 1

Which of them is not a part of Dalton’s atomic theory ?

Question 2

The molecular mass of carbon dioxide is 44. What is the unit of molecular mass ?

Question 3

Number of atoms in 560g of Fe (atomic mass 56 g mol^-1) is:

Question 4

1 L of N₂ combines with 3L of H₂ to form 2L of NH₃ under the same conditions. This illustrates:

Question 5

A 5.00 mL sample of solution has 2.8 x 10^-4 g of calcium ions. The ppm concentration is

Question 6

Calculate molarity of a NaNO₃ solution by diluting 250.0 mL of a 1.60 M solution to volume of 400 mL?

Question 7

What is the SI unit for the amount of substance ?

Question 8

Which of the following is not a homogeneous mixture ?

Tags :

May 14JEE & BITSAT