? GTU Engineering 1st Year MCQ | Chemistry-2110001 Summer 2014 Sem-2

MCQ(s) of Chemistry (2110001) - Summer 2014 Sem-2

    • Q. 1  The nucleus of an atom consists of
    • (A) electrons and neutrons
      (B) electrons and protons
    • (C) protons and neutrons
      (D) All of the above
    • (C) protons and neutrons
    • Q. 2  The number of moles of solute present in 1 kg of a solvent is called its
    • (A) molality
      (B) molarity
    • (C) normality
      (D) formality
    • (A) molality
    • Q. 3  The most commonly used bleaching agent is
    • (A) Alcohol
      (B) Carbon dioxide
    • (C) chlorine
      (D) soidium chlorine
    • (C) chlorine
    • Q. 4 

      Give IUPAC nomenclature for following compounds.BrCH2– CH2 -CH2 – CH2 COOH

    • (A) 1- bromo 5- pentanoic acid
      (B) 4 - bromo 1- carboxylic acid butane
    • (C) 4 - bromo 1- carboxylic acid butane
      (D) none of above.
    • (C) 5 - bromo pentanoic acid
    • Q. 5  10 ppm. = _________ oFr
    • (A) 5
      (B) 10
    • (C) 1
      (D) 0.7
    • (D) 0.7
    • Q. 6  What happens when hard water was used in Boiler?
    • (A) Boiler corrosion
      (B) Scale and sludge
    • (C) Priming and forming
      (D) All of above.
    • (D) All of above.
    • Q. 7  Write chemical formula for Potassium chromate
    • (A) KMnO4
      (B) K2CrO4
    • (C) K2Cr2O7
      (D) None of above
    • (B) K2CrO4
    • Q. 8  The material which can be deformed permanently by heat and pressure is called a
    • (A) Thermoplastic
      (B) Thermoset
    • (C) Chemical compound
      (D) Polymer
    • (B) Thermoset
    • Q. 9  The method that cannot be used for removing permanent hardness of water is
    • (A) Adding sodium carbonate
      (B) Distillation
    • (C) Adding caustic soda
      (D) Boiling
    • (D) Boiling
    • Q. 10  Which acid is present in lemon?
    • (A) Marlic acid
      (B) Citric acid
    • (C) lactic acid
      (D) tartaric acid
    • (B) Citric acid
    • Q. 11  Which metal is heaviest
    • (A) Osmium
      (B) Mercury
    • (C) Iron
      (D) Nickle
    • (B) Mercury
    • Q. 12  Nail polish remover contains?
    • (A) Benzene
      (B) Acetic acid
    • (C) Acetone
      (D) Petroleum ether
    • (C) Acetone
    • Q. 13  pH of blood is ?
    • (A) 10
      (B) 9
    • (C) 7.4
      (D) 4
    • (C) 7.4
    • Q. 14  Biogas majorly contains?
    • (A) Ethane
      (B) Methane
    • (C) Eydrogen
      (D) Eydrogen
    • (B) Methane