MEDIUM
11th CBSE
IMPORTANT
Earn 100

One mole of calcium phosphide on reaction with excess of water gives

50% studentsanswered this correctly

Important Questions on Some Basic Concepts of Chemistry

HARD
11th CBSE
IMPORTANT
If 0.5 mol of BaCl2 is mixed with 0.2 mol of Na3PO4, the maximum number of moles of Ba3PO42 that can be formed is
MEDIUM
11th CBSE
IMPORTANT
If 30 ml of H2 and 20 ml of O2 react to form water, what is left at the end of the reaction? 
EASY
11th CBSE
IMPORTANT
The specific heat of a metal is 0.16. Its approximate atomic weight would be
MEDIUM
11th CBSE
IMPORTANT
A, E, M and n represent atomic weight, equivalent weight, molecular weight and valency of an element. The correct relation is
EASY
11th CBSE
IMPORTANT
AZT (Aziodothymidine) is used for victims of _____.
MEDIUM
11th CBSE
IMPORTANT
If a system consists of a number of phases, it is said to be _____.
EASY
11th CBSE
IMPORTANT
Element which possess the characteristics of metals as well as non-metals are called _____.
EASY
11th CBSE
IMPORTANT
kg m-1s2 is the unit of _____.