EASY
11th Odisha Board
IMPORTANT
Earn 100

Calculate the number of electrons present in 0.3 moles of electrons.

Important Questions on Basic Concepts Atoms & Molecules

EASY
11th Odisha Board
IMPORTANT
How many moles of water should be electrolyzed to produce 80g of oxygen?
MEDIUM
11th Odisha Board
IMPORTANT
Find out the amounts of magnesium and oxygen consumed to prepare 60g of magnesium oxide.
EASY
11th Odisha Board
IMPORTANT
 What would be the volume of 44 grams of CO2 at NTP?
EASY
11th Odisha Board
IMPORTANT
What volume of CO2 is liberated at NTP from 0.1 mole of CaCO3?
EASY
11th Odisha Board
IMPORTANT
What weight of water will be formed by the combination of 11.2 litres of oxygen at NTP with excess of hydrogen ?
MEDIUM
11th Odisha Board
IMPORTANT
6 gms of carbon was completely burnt in oxygen. What would be the volume of carbon dioxide produced at NTP and how many molecules will be present in that gas ?
EASY
11th Odisha Board
IMPORTANT
Calculate the volume of oxygen at STP required to completely burn 30ml of acetylene at STP.
EASY
11th Odisha Board
IMPORTANT
Calculate the total number of electrons present in 2.24 litres of methane at NTP.