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General Chemistry MCQ type question with Answer

Directions: Each of the questions or incomplete statements below is followed by four suggested answers or completions. Select the best answer in each case. Answer All questions:

Question 1: Matter has ___________.
(a) no mass but occupies space
(b) mass but occupies no space
(c) mass and occupies space
(d) no mass and occupies no space


Question 2: In gases, particles vibrate _________.
(a) about their mean position
(b) about a vertical axis
(c) about a horizontal axis
(d) in any direction



Question 3: A property not possessed by a fluid is _________.
(a) it can flow
(b) it has mass
(c) it has a definite shape
(d) can be perceived by our senses



Question 4: A solid that sublimes on heating is _________.
(a) sodium chloride
(b) copper sulphate
(c) lead sulphate
(d) ammonium chloride


Question 5: Temperature is a measure of:
(a) total kinetic energy of molecules
(b) total potential energy of molecules
(c) average potential energy of molecules
(d) average kinetic energy of molecules



Question 6: Carbon-12 atom has:
(a) 6 electrons, 6 protons, 6 neutrons
(b) 6 electrons, 12 protons, 6 neutrons
(c) 12 electrons, 6 protons, 6 neutrons
(d) 18 electrons, 6 protons and 6 neutrons



Question 7: An element has an electronic configuration: 2, 8, 7. Its valency is:
(a) 1
(b) 7
(c) 17
(d) 8



Question 8: Formation of lead and bromine from lead bromide is an example of:
(a) decomposition reaction
(b) synthesis reaction
(c) displacement reaction
(d) neutralisation reaction



Question 9: The main cause of rancidity in foods is:
(a) Bacteria
(b) Proteins
(c) Antioxidants
(d) Oxidation of fatty acid molecules


Question 10: In the equation , the substance undergoing oxidation is ________.
(a) lead dioxide
(b) hydrochloric acid
(c) hydrogen
(d) lead chloride

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