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28 questions
1
Hydrogen and its Compounds - Non metals
Easy
+1.0
-0.33
An element X has four electrons in its outermost orbit. What will be the formula of its compounds with Hydrogen?
2
Hydrogen and its Compounds - Non metals
Easy
+1.0
-0.33
According to weight, the percentage of Hydrogen in water (H2O), is –
3
Hydrogen and its Compounds - Non metals
Easy
+1.0
-0.33
One mole of hydrogen gas burns in excess of oxygen to give 290 KJ of heat. What is the amount of heat produced when 4g of Hydrogen gas is burnt under the same conditions?
4
Hydrogen and its Compounds - Non metals
Easy
+1.0
-0.33
Burning of hydrogen produces –
5
Hydrogen and its Compounds - Non metals
Easy
+1.0
-0.33
Which one of the following fuels causes minimum air pollution?
6
Hydrogen and its Compounds - Non metals
Easy
+1.0
-0.33
Heavy water is a type of –
7
Hydrogen and its Compounds - Non metals
Easy
+1.0
-0.33
The chemical formula of Heavy Water is :
8
Hydrogen and its Compounds - Non metals
Easy
+1.0
-0.33
The chemical formula for heavy water is :
9
Hydrogen and its Compounds - Non metals
Easy
+1.0
-0.33
The substance used as moderator and coolant both, in nuclear reactors is :
10
Hydrogen and its Compounds - Non metals
Easy
+1.0
-0.33
What is heavy water ?