A. Glass

B. Paint

C. Cement

A. Cu

B. Ag

D. A

A. Enzymes

B. Carbohydrates

D. Lipids

A. structural isomerism

B. metamerism

D. both b and c

A. Oxidation potential

B. e.m.f of cell

D. Redox potential

B. folds of filter paper

C. oven

D. Hot air currents

A. Si

C. As

D. Te

A. graphite

C. magnesium

D. sodium

A. All have same boiling point

B. 18.0 % glucose solution

C. 6.0 % urea solution

A. aqueous NaOH

B. Fehling solution

C. aqueous bromine

A. all of the above

B. Mass number

C. Atomic mass

B. are collected at same time

C. heavier

D. intermediate

A. C1- Br- I

B. Li+ Na+ K+

D. H+ H H-

A. protium

B. deuterium

D. ortho-hydrogen

B. depends upon number of C atoms

C. different

D. depends upon number of H atoms

A. Yuri Gagarin

B. James Maxwell

C. Michael Faraday

A. endothermic

B. unpredictable

C. same

A. R-NH2

B. C6H5NH2

D. R NH R

B. 2-bromophenol is insoluble in water

C. phenol is unsaturated

D. acid-base reaction

A. KMnO4

B. H2SO4

D. K2CrO4

B. Distillation

C. Sublimation

D. Crystallisation

A. N2+3H2 2NH3

B. H2+I2 2HI

D. PCI5 PCI3+CI2

A. All of the above methods are for different purposes

C. Dumas method

D. Kjeldahls method

A. Kc is unaffected by change in concentration of reactants or products

C. Kc indicates the extent of reaction but not about the rate of reaction.

D. Kc is constant at given temperature

B. mass number

C. atomic weight

D. relative isotopic mass

B. Polyester resins

C. polyamide resins

D. Polyvinyl chloride

B. Average kinetic energy of molecules

C. None of the above

D. Translational kinetic energy

B. O

C. B

D. C

A. 1 x 10-1

B. 1 x 10-7

C. 1 x 10-14

A. Plancks theory

C. Dual nature of matter

D. All of these

A. Arsenic

C. Carbon

D. Sulphur

B. diamond

C. ice

D. graphite

A. 1.673 x 10-3

B. 1.84 x 10-4

C. 1.008 x 10-3

A. all of the above

B. they are negatively charged

C. they cast shadow

A. CuCl2

C. PdCl2

D. PbCl2

A. Invertase

C. Zymase

D. Diastase

A. Succinic acid

B. Fumaric acid

D. Oxalic acid

A. Sulphur

B. Aluminium

C. Carbon

A. a and c

C. cracking

D. reforming

A. 6

B. 4

D. 3

A. CaF2

B. Diamond

C. NaCl

A. Plastic

C. Rubber

D. Glass

A. Fuel cell

B. Silver oxide battery

D. Lead accumulator

A. two / three

B. one / seventeen

D. sixteen / seventeen

B. discrete molecules linked by Van der waals forces

C. hydrogen bonding

D. lower melting point then molecular crystals

B. CH3C1

C. CC14

D. CH2 C12

A. 4

C. 2

D. 3

B. Be+H2O?Be (OH)2+H2

C. Be+H2O?[Be (OH)4]+2+H2

D. Be+2H2O?Be (OH)2+H2

A. 1

B. 0.5

C. 1.5

A. Electron microscope

C. Optical microscope

D. Spectrophotometer