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23 questions
11
Organic Chemistry A. Hydrocarbons
Easy
+1.0
-0.33
When did the Bhopal Gas tragedy happen?
12
Organic Chemistry A. Hydrocarbons
Easy
+1.0
-0.33
From the decomposition of which of the following printing ink is formed :
13
Organic Chemistry A. Hydrocarbons
Easy
+1.0
-0.33
Methane gas producing field is –
14
Organic Chemistry A. Hydrocarbons
Easy
+1.0
-0.33
Which of the following is correctly matched? 1. Biogas - Insecticide 2. Electrocardiography - Heart disorder 3. D.D.T. - Cow-dung 4. Nicotine - Tobacco
15
Organic Chemistry A. Hydrocarbons
Easy
+1.0
-0.33
Which one of the following chemicals helps in fruit ripening?
16
Organic Chemistry A. Hydrocarbons
Easy
+1.0
-0.33
Which of the following chemicals is used for ripening?
17
Organic Chemistry A. Hydrocarbons
Easy
+1.0
-0.33
Calcium carbide is used for artificial ripening of green fruits because it produces :
18
Organic Chemistry A. Hydrocarbons
Easy
+1.0
-0.33
Fruit ripening is promoted by which of the following?
19
Organic Chemistry A. Hydrocarbons
Easy
+1.0
-0.33
Which of the following gas mixture is used in welding gas?
20
Organic Chemistry A. Hydrocarbons
Easy
+1.0
-0.33
Gases used in welding are :