(A) Sulphur dioxide
(B) Carbon monoxide
(C) Carbon dioxide
(D) Chlorine
Category: Chemistry Mcqs
Chemistry Mcqs for NTS, PPSC, FPSC, SPSC, KPPSC, AJKPSC, PMS, NAT, PTS, Educators, Lecturer and all other exams. Chemistry Mcqs portion will cover mcqs related to Acids, bases, PH,
atomics structure, electrochemistry, thermochemistry, periodic table, chemicals, atomic theory, chemical bonding, Transition metals, periodic table facts, compounds, properties of organic compounds, covalent bond,
Ionic bond and all other topics related to chemistry will be covered here.
Catalyst is a substance which?
(A) Has no action of the rate of reaction
(B) Decreases the rate of reaction
(C) Increases the rate of reaction
(D) None of the above
Substance most commonly used as a food preservative is?
(A) Acetic acid
(B) Tartaric acid
(C) Sodium carbonate
(D) Sodium salt of benzoic acid
Diamonds are glittering and attractive because light incident on them undergoes?
(A) Multiple internal reflections
(B) Multiple surface reflections
(C) Highest refraction
(D) 100% transmission
Acid rain destroys vegetations because it contains?
(A) Sulphuric acid
(B) Carbon monoxide
(C) Nitric acid
(D) Ozone
Iodized salt is beneficial for?
(A) Salivary glands
(B) Lowering of blood pressure
(C) Prevention of dehydration
(D) Thyroid function
Scattering of light takes place in?
(A) Solution of electrolyte
(B) Colloidal solution
(C) Electrolysis
(D) Electroplating
Sour taste of Coca Cola is due to the presence of?
(A) Hydrochloric acid
(B) Phosphoric acid
(C) Acetic acid
(D) Formic acid