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28 questions
11
Hydrogen and its Compounds - Non metals
Easy
+1.0
-0.33
Heavy water is that water –
12
Hydrogen and its Compounds - Non metals
Easy
+1.0
-0.33
Heavy water –
13
Hydrogen and its Compounds - Non metals
Easy
+1.0
-0.33
Who among the following discovered heavy water?
14
Hydrogen and its Compounds - Non metals
Easy
+1.0
-0.33
Heavy water has molecular weight :
15
Hydrogen and its Compounds - Non metals
Easy
+1.0
-0.33
Consider the following statements : Hard water is not suitable for 1. Drinking 2. Washing clothes with soap 3. Use in boilers 4. Irrigating crops Which of these statements are correct ?
16
Hydrogen and its Compounds - Non metals
Easy
+1.0
-0.33
Permanent hardness of water is due to –
17
Hydrogen and its Compounds - Non metals
Easy
+1.0
-0.33
The pH-value for water is –
18
Hydrogen and its Compounds - Non metals
Easy
+1.0
-0.33
The pH value of water is
19
Hydrogen and its Compounds - Non metals
Easy
+1.0
-0.33
Which is the purest form of water?
20
Hydrogen and its Compounds - Non metals
Easy
+1.0
-0.33
Water is a good solvent of ionic salts because –