Top 1000+ Solved Chemistry MCQ Questions Answer
Q. Which of the following elements is not present in stainless steel?
a. Iron
b. Tungsten
c. Chromium
d. Nickel
Q. Burning pyrites ore gives out –
a. Carbon dioxide gas
b. Sulphur dioxide gas
c. Nitrogen dioxide gas
d. Nitric oxide gas
Q. Atomic number of an atom gives the number of which of the following?
a. electrons
b. protons
c. neutrons
d. neutrons and protons
Q. Anaemia is caused because of deficiency of which of the following?
a. Cobalt
b. Iron
c. Sodium
d. Calcium
Q. Which of the following is produced during the formation of photochemical smog?
a. Nitrogen Oxides
b. Hydrocarbons
c. Methane
d. Ozone
Q. The polymer obtained by the condensation of hexamethylene diamine and adipic acid is –
a. Nylon 66
b. Terylene
c. Tollen's
d. Bakelite
Q. The antiseptic compound present in dettol is –
a. Iodine
b. Enloroxylenol
c. Biothional
d. Cresol
Q. Amniocentesis is a technique used -
a. to determine the sex of fetus
b. to test of amino acid
c. to test brain
d. None of the above
Q. Bonds formed by the sharing of an electron pair between two atoms are known as -
a. Covalent bonds
b. Ionic bonds
c. Weak bonds
d. None of the above
Q. The pH of lemon juice is expected to be
a. equal to 7
b. nothing can be predicted
c. less than 7
d. more than 7