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53 questions
11
Inorganic Chemistry
Easy
+1.0
-0.33
The chemical composition of diamond is?
12
Inorganic Chemistry
Easy
+1.0
-0.33
Which of the following is not a type of element?
13
Inorganic Chemistry
Easy
+1.0
-0.33
Pearl is mainly constituted of –
14
Inorganic Chemistry
Easy
+1.0
-0.33
Which of the following elements was first produced artificially?
15
Inorganic Chemistry
Easy
+1.0
-0.33
What are Rubies and Sapphires chemically known as?
16
Inorganic Chemistry
Easy
+1.0
-0.33
The chemical formula of sapphire (Ruby) is
17
Inorganic Chemistry
Easy
+1.0
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Assertion (A): Sodium metal is stored under kerosene. Reason (R): Metallic sodium melts when exposed to air.
18
Inorganic Chemistry
Easy
+1.0
-0.33
Which one of the following elements is kept safely in Kerosene oil?
19
Inorganic Chemistry
Easy
+1.0
-0.33
These days yellow lamps are frequently used as street light. Which one of the following is used in these lamps:
20
Inorganic Chemistry
Easy
+1.0
-0.33
Sodium Vapor Lamp is usually used as street light, because—