sajs.himank.chem

What is the symbol of Tungsten ?

• Hg

• K

• W

• Sn

Name the 14th Element of the perodic table ?

• Silicon

• Magnesium

• Aluminium

• Carbon

What is the molecular formula of Ferric acetate ?

• CH3COO Fe

• (CH3COO)4 FE

• (CH3COO)3 FE

• (CH3COO)2 FE

Name a method used for separating Immissible liquids?

• seperating funnel

• decantation

• fractional distillation

• all of these

How many number of Elements are known to us in nature

Non metals are __________

• polyatomic

• monoatomic

• triatomic

• diatomic

molecular formula of ammonia

• NH3

• NH4

Tin has the variable valency of

• 1 and 2

• 1 and 3

• 2 and 4

• 2 and 3

which of the following is a non metal

• Aluminium

• Silicon

• Carbon

• Silver

Lithium has the valency of

• 2 and 4

• 6 and 8

• 10 and 14

• 1 and 3

• none of these