Chemistry Mcqs

Which one of the following compounds shows intense knocking ?

• (A)  n-pentane
• (B)  iso-heptane
• (C)  iso-octane
• (D)  n-heptane

Answer

Submitted By :Ali Uppal

At low temperature and pressure cracking can be done in presence of catalyst________________?

• (A)  Al2O3
• (B)  Fe2O3
• (C)  Al2O3 and SiO2
• (D)  Fe2O3 and SiO2

Answer

Submitted By :Ali Uppal

Crude oil is blackish coloured liquid produced after the decay of organic matter present between_________________?

• (A)  earth layer
• (B)  mountains
• (C)  sedimentary rocks
• (D)  rocks

Answer

Submitted By :Ali Uppal

Coal is produced after a long time decay of_________________?

• (A)  animals
• (B)  fossils
• (C)  wood
• (D)  all of the above

Answer

Submitted By :Ali Uppal

Rate of reactions of most organic compounds are____________________?

• (A)  very slow
• (B)  very fast
• (C)  slow
• (D)  no regular character present

Answer

Submitted By :Ali Uppal

The organic compounds having very high molecular weight are called _________________?

• (A)  carboxylic acids
• (B)  ketones
• (C)  aldehydes
• (D)  polymers

Answer

Submitted By :Ali Uppal

The property of carbon chain formation is called _________________?

• (A)  catenation
• (B)  hybridization
• (C)  polymerization
• (D)  solvation

Answer

Submitted By :Ali Uppal

Reaction in which heat evolves is called ____________________?

• (A)  endothermic
• (B)  spontaneous
• (C)  non-spontaneous
• (D)  exothermic

Answer

Submitted By :Ali Uppal

Anything which depends upon initial and final state of a system is_______________?

• (A)  environment
• (B)  surrounding
• (C)  state function
• (D)  enthalpy

Answer

Submitted By :Ali Uppal

The environment in which a system is studied is __________________?

• (A)  State function
• (B)  phase
• (C)  surrounding
• (D)  state

Answer

Submitted By :Ali Uppal