Chemistry Mcqs

Which law states that the rate of the effusion of a gas is inversely proportional to the square root of its density?

• (A)  Graham’s Law
• (B)  Gay-Lussac’s law
• (C)  Boyle’s law
• (D)  None of these

Answer

Submitted By :Ali Uppal

The substance used in cancer therapy is___________?

• (A)  Fe
• (B)  Co
• (C)  Ni
• (D)  Rn

Answer

Submitted By :Ali Uppal

If steel is heated to a temperature well below red heat and is then cooled slowly, the process is called_________?

• (A)  Annealing
• (B)  Quenching
• (C)  Tempering
• (D)  Nitriding

Answer

Submitted By :Ali Uppal

Carbon in wrought iron is present as_________?

• (A)  Silicon carbide
• (B)  Iron carbide
• (C)  Graphite
• (D)  Partly as iron carbide and partly as graphite

Answer

Submitted By :Ali Uppal

Stainless steel contains___________?

• (A)  Fe+Cr+Ni
• (B)  Fe+Ni+Cu
• (C)  Fe+ Cr+Cu
• (D)  Cu+C+Ni

Answer

Submitted By :Ali Uppal

A theoretical link between quantum mechanics and thermodynamics is_________?

• (A)  Electrchemistry
• (B)  Matrix mechanics
• (C)  Statistical thermodynamics
• (D)  Soectroscopic analysis

Answer

Submitted By :Ali Uppal

For a given mass of a gas at constant temperature, if the value V becomes 3 times, the pressure will becomes__________?

• (A)  3P
• (B)  P/3
• (C)  3P/T
• (D)  6P

Answer

Submitted By :Ali Uppal

The reciprocal of the coefficent of viscosity is called__________?

• (A)  Density
• (B)  Specific gravity
• (C)  Fluidity
• (D)  Absorbance

Answer

Submitted By :Ali Uppal

The science of fermentation is called _______ ?

• (A)  Zygology
• (B)  Zymology
• (C)  Zymurgy
• (D)  Zootaxy

Answer

Submitted By :Ali Uppal

The Branch of chemistry dealing with brewing and distilling is called _______ ?

• (A)  Zygology
• (B)  Zymology
• (C)  Zymurgy
• (D)  Zootaxy

Answer

Submitted By :Ali Uppal