A. Double salt

B. Complex

D. Normal salt

B. d

C. f

D. P

A. Quenching

B. Tempering

D. Nitriding

A. 90% alcohol

B. 12% alcohol

C. 100% alcohol

B. Pain Killer

C. Fire Extinguisher

D. Mosquito Repellent

A. 1000 to 300 A

C. 12,000 to 15,000 A

D. 8000 to 10,000 A

A. They form coloured ions

B. They show variable valency

D. They form complexes

A. Dobereiner

B. Lother Meyer

C. Newland

A. formaldehyde

C. propanone

D. acetaldehyde

B. 7

C. 8.2

D. 7.8

A. Hydrogen

B. Nitrogen

C. Ethane

A. Epoxy methane

C. Oxirane

D. Methoxymethane

A. J.J.Thomson

C. Rutherford

D. Chadwick

A. 18.031 g/mol

C. 19.031 g/mol

D. 27.033 g/mol

A. all of the above

B. alkane

C. aldehyde

B. Li, Be, B

C. Na, K, Rb

D. F, Cl, Br

B. 80.4 KJ

C. 135.5 KJ

D. 110.5 KJ

A. PCI3

B. PCI5

C. Zn / HCI

A. they have a nucleophilic carbon & a good leaving group

B. they have an electrophilic carbon & a bad leaving group

D. they have an electrophilic carbon

A. sodium chlorine

B. alcohol

C. carbon dioxide

B. 1.54A

C. 1.20A

D. 1.34A

A. CaSO4

B. SrSO4

C. BaSO4

A. AgCl

B. AgBr

D. AgI

A. Acetone

B. Phenyl acetate

D. Acetic acid

A. All of above

B. Secondary alcohol

C. Primary alcohol

B. CO2

C. CO

D. N2

A. Necleophilic substitution

B. Electrophilic addition

C. Electrophilic substitution

A. Grahams Law

B. Avogadros Law

C. Boyles law

A. C2H4

C. C5H10

D. C3H6

A. Neon

B. Helium

D. Methane

A. Cyclic structure

B. Unsaturations

C. Presence of 4n? electrons

B. Cl2

C. I2

D. Br2

B. All the halogens have electronic conviguration ns2p5

C. All are non-metals

D. They have high electron attinity and ionization energy

A. Tollens test

B. Lucas test

D. Benedicts test

A. Ozone

B. Aerosol

C. PAN

A. 58C

B. 56C

D. 73C

A. interference

B. diffraction

D. reflection

A. Mercury

C. Iron

D. Calcium

B. Aliphatic

C. None of These

D. Aromatic

B. S.E.Manhan

C. Einstein

D. Dr.A.Walash

A. Nuclear fission

C. Thermionic emission

D. Photoelectric emission

A. refraction

B. dispersion

D. reflection

B. Lignite

C. Anthracite

D. Peat

A. Pt

B. FeO

C. CrO

B. 1888

C. None of These

D. 1866

B. None of them

C. #NAME?

D. Neutral

A. Sp3- hybridisation

B. Sp3d2- hybridisation

C. Sp2- hybridisation

B. inclease solubility of food particles in water

C. increase the taste

D. ease the process of cooking

A. size of Cl atoms > Cl- ion

C. size of Na atom < Na+ ion

D. Cl- < Na+

A. None of These

B. To Check temperature

D. To check its Acidity and Basicity