(1) Which one of the following compounds is formed by the reaction of Aluminium
Hydroxide Al(OH)3 with Sulphuric Acid (H2SO4)?
A. Al(SO4)3 B. Al2CO3
C. Al2(SO4)3 D. AlCl3
(2) Marble Buildings are disintegrated by acid rain because of the reaction of acid
with:
A. Calcium Sulphate B. Calcium Nitrate
C. Calcium Carbonate D. Calcium Oxalate
(3) Dipeptide is formed by joining of two molecules of:
A. Amino acids B. Alcohols
C. Carboxylic acids D. Amines
(4) Two products obtained from the carbonating tower during the Solvay Process are:
A. NH4Cl and CO2 B. NH4HCO2 and NH4Cl
C. NaHCO3 and NH4Cl D. NaHCO3 and NH3
(5) The end product of the reaction of acetylene with concentrated alkaline KMnO4 is
oxalic acid. In this reaction acetylene undergoes:
A. Reduction B. Oxidation
C. Substitution D. Rearrangement
(6) One mole of an unsaturated hydrocarbon reacts with one mole of hydrogen to
form a saturated compound. Predict the formula of unsaturated compound.
A. C3 H4 B. C6 H12
C. C4 H10 D. C7 H16
(7) F
− is a base, because it:
A. Contains OH group
B. Ionizes in water to give OH
− ions
C. Can accept an election pair
D. Can accept proton
(8) Which one of the following compounds is an aldehyde?
A. CH3 - CH2 - OH B. CH3 - COOH
C. CH3 - CHO D. CH3 - COCH3
(9) The pH of 10-3M aqueous solution of NaOH is:
A. 3 B. 11
C. 2 D. 9
(10) Which one of the following pollutant is NOT produced by the burning of fossil
fuel?
A. CO B. NOx
C. CFCs D. SOx
(11) For a reversible reaction given below the unit of Kc is:
2SO2 + O2 2SO3
A. mol-1 dm3 B. mol-1 dm-3
C. mol.dm-3 D. mol.dm3
(12) The composition of matte produced during the metallurgy of copper is:
A. FeSiO3 B. FeS & Cu2S
C. Cu2O & FeS D. Cu2O & Cu2S Please solve these questions.