Hydrocarbons One Liner Questions & Answers


Questions Answers
1 What is the fundamental element of all organic compounds? Carbon
2 In all bio-compounds the most necessary fundamental element is – Carbon
3 Which sets of elements was primarily responsible for the origin of life on the Earth? Carbon, Hydrogen, Nitrogen
4 A hydrocarbon in which two carbon atoms are joined by a double bond is called an – Alkene
5 Which gases is used in cigarette lighters? Butane
6 Which gases had caused the Bhopal Gas Tragedy? Methyl isocyanate
7 When did the Bhopal Gas tragedy happen? 2-3 Dec. 1984
8 From the decomposition of which of the following printing ink is formed – Methane
9 Which chemicals helps in fruit ripening? Ethephon
10 Calcium carbide is used for artificial ripening of green fruits because it produces – Acetylene
11 Which gas mixtures is used in welding gas? Oxygen and Acetylene
12 Numbers of sigma and pi bonds in benzene are – 12, 3