Basic Chemistry MCQs

GURU MCQs provides MCQs of Chemistry from Basic to Advance, so that you can prepare accordingly. MCQs of Chemistry section covers important topics of chemistry. Most repeated Chemistry MCQs frequently encountered in Inspector, ASI, Sub-inspector, Constable, FPSC, PPSC, ETEA, FIA, Police, Army, Navy, Airforce, IB, MOFA, ASF, LHC, Educators, and various other competitive exams, as well as government and private job assessments. Chemistry most repeated MCQs include Basic chemistry MCQs, Chemical Bond MCQs, Gases MCQs, Liquids and Solids MCQs, Hydrocarbons MCQs, Polymerization MCQs, Rates of Reactions MCQs, Transition Elements MCQs, Organic Chemistry MCQs, Electrons in Atoms MCQs, Moles and Equations MCQs, etc.

111. Which of the following factors help to measure quallity of water ?

112. A single chlorine free radical can destroy how many ozone molecules ?

113. Chlorination of water may be harmful if the water contains_________________?

114. Which of the following is used as water disinfectant to avoid the formation of toxic compounds_________________?

115. Ozone hole is substantial depletion of ozone in every year during__________________?

116. Which of the following solutions of H2SO4 is more concentrated ?

117. Which of the following is an example of liquid in gas solution?

118. Which of the following are the conditions of colligative properties_______________?

119. When common salt is dissolved in water ?

120. Homogeneous mixture of two or more than two compounds is called__________________?

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