Here, I am providing Chemistry Questions and Answers for those learners who are preparing for competitive exams. In this post, I have updated the most important chemistry questions answers around the science with the latest chemistry questions and answers about many topics covered related to General Science.
I have prepared Chemistry Questions and Answers for competitive exam blog to increase your General Science level as well as increase your confidence level for competitive exams.
Q.1 The metal does not give H2 on treatment with dilute HCL is
(A) Zn
(B) Fe
(C) Ag
(D) Ca
Q.2 The number of g-molecule of oxygen in 6.02 x 1024CO molecules is
(A) 1 gram of molecule
(B) 0.5 gram of molecule
(C) 5 gram of molecule
(D) 10 gram of molecule
Q.3 The most extensive, commercially useful source of thorium as monazite sand occurs in India at
(A) Orissa coast
(B) Travancore coast
(C) West Bengal coast
(D) Gujarat coast
Q.4 The main active constituent of tea and coffee is
(A) nicotine
(B) chlorophyll
(C) caffeine
(D) aspirin
Q.5 The maximum number of isomers for an alkene with molecular formula C4H8 is
(A) 5
(B) 4
(C) 2
(D) 3
Q.6 The hardest form of carbon is
(A) coke
(B) graphite
(C) diamond
(D) charcoal
Q.7 The most important ore of aluminum is
(A) bauxite
(B) magnetite
(C) haematite
(D) monazite
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