General Knowledge on Chemistry

(Click on suggested Options to select the answer \| Color Red means : Wrong & Green Means: Correct)
211. The gas used for artificial ripening of green fruit is A. ethylene B. ethane C. carbon dioxide D. acetylene Check Answer \| Discussion 212. The most malleable metal is A. platinum B. silver C. iron D. gold Check Answer \| Discussion 213. The most electronegative element among the following is A. sodium B. bromine C. fluorine D. oxygen Check Answer \| Discussion 214. The major constituent of air is A. nitrogen B. carbon dioxide C. oxygen D. hydrogen Check Answer \| Discussion 215. The nuclear particles which are assumed to hold the nucleons together are A. electrons B. positrons C. neutrons D. mesons Check Answer \| Discussion 216. The most commonly used bleaching agent is A. alcohol B. carbon dioxide C. chlorine D. sodium chlorine Check Answer \| Discussion 217. The nucleus of an atom consists of A. electrons and neutrons B. electrons and protons C. protons and neutrons D. All of the above Check Answer \| Discussion 218. The maximum number of isomers for an alkene with molecular formula C4H8 is A. 5 B. 4 C. 2 D. 3 Check Answer \| Discussion 219. The luster of a metal is due to A. its high density B. its high polishing C. its chemical inertness D. presence of free electrons Check Answer \| Discussion 220. The gas used in the manufacture of vanaspati from vegetable oil is A. hydrogen B. oxygen C. nitrogen D. carbon dioxide Check Answer \| Discussion
Check More Pages... « Previous 1 ... 19 20 21 22 23 24 25 Next »

Exercise

General Knowledge on Chemistry

Check More Pages...

Exercise