A. Pi

B. Sigma

D. Neither

A. By burning of gas

B. By cooling of the gas

D. From anode like cathode rays produced from cathode

A. Plancks

C. Heisenberg

D. de-Broglie

A. Value of a

B. Mass

C. Atoms

A. rocks

B. mountains

D. earth layer

A. Rhombohedral

B. Orthor hombic

C. ABCABC (Cubic)

B. Inconsistent flow of filtration

C. premature crystallization

D. all of above

A. Solids

C. Liquids

D. Metals

A. Electronegative

B. IA is electropositive while IIA is electronegative

D. Neutral

A. de-Broglie duel nature of matter

B. Bohrs model

C. Rutherfords atomic model

A. Same physical and different chemical properties

C. Same physical and chemical properties

D. Different physical and same chemical properties

B. Physical chemistry

C. Qualitative analysis

D. Stochiometery

B. 9Z

C. 13W

D. 6X

B. Electron affinity

C. Ionization energy

D. Ionic character

A. Less polarizability

B. More strength of H-bonding

D. All of the above

A. 23

C. 21

D. 25

A. surrounding

B. system

C. phase

A. irreversible process

C. spontaneous process

D. reversible process

A. Length of contact

C. all of above

D. Volume of contact

A. HBr

C. H2O

D. HCI

A. Heat up the platinum foil

B. 9.1110-31 Kg

C. Cast shadow

A. Neutrino

B. Electron

D. Meson

A. Hunds rule

B. Paulis Exclusion principle

D. Auf bau principle

B. Slow neutrons

C. Moderate neutrons

D. All are possible

A. square planar

B. linear

D. trigonal pyramidal

A. Equal to that of ice

C. Less than that of ice

D. All are possible

A. Iodine

C. Benzoic acid

D. Ammonium chloride

B. [Ar]4s2

C. [Ar]3d94s2

D. [Ar]4s1

A. All of the above

B. No definite geometry

C. No definite heat of fusion

A. Hybrid orbitals

B. Hybrid and un hybrid orbitals

C. atomic orbital and hybrid orbital

A. Plasma

C. Liquid

D. Gas

B. very slow

C. no regular character present

D. very fast

A. fiber

B. porcetain

C. Plastic

B. William Crooks

C. Bravis

D. J.J Thomson

A. iodine

C. gases

D. hydrochloric acid

A. Change of bond angles

C. Change of bond length

D. Cubic structure of ice

A. Alpha emission

C. Both A & B

D. Radioactivity

A. Colourless

B. Hard to locate

C. Brighter

A. colouring agent

B. reducing agent

D. oxidizing agent

A. All gases cannot be liquefied through Linds Method

B. PV / RT = n

C. All molecules behave independently

A. Chromatography

B. Solvent extraction

C. Crystallization

A. none of the above

C. sp2

D. sp3

A. Schrodinger

B. Rutherford

D. Bohr

B. Orbit is elliptical

C. subshell

D. Electron cloud

A. [He]2s1

C. [Ar]4s2

D. [Kr]5s1

A. Triangular

B. Octahedral

C. Square planner

A. absorption

B. adsorption

C. sublimation

A. Heat of transition

B. Heat of fusion

C. All of above

A. In continuous manner

B. In the form of heat

D. Simultaneously

A. Latent heat of fusion

C. Latent heat of sublimation

D. All of the above