Practice Pakistan's most useful MCQs for competitive exams

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

What is the molecular Weight of Nitric acid (HNO3 ) ?

• (A)  63.012 g/mol
• (B)  65.012 g/mol
• (C)  70.012 g/mol
• (D)  81.011 g/mol

Answer

Submitted By :Ali Uppal

Commercial detergents contain mainly _____________?

• (A)  RCOON
• (B)  RONa
• (C)  RSNa
• (D)  ROsO3Na Muhammad Ali Kunbhar

Answer

Submitted By :Ali Uppal

_____________ surfactants perform well over a wide range water hardness and PH?

• (A)  Anionic
• (B)  Cationic
• (C)  Nonionic
• (D)  Neutral

Answer

Submitted By :Ali Uppal

Polyethylene Glycols are used in the preparation of which type of detergents?

• (A)  Cationic detergents
• (B)  Anionic detergents
• (C)  Non-ionic detergents soap
• (D)  All of above

Answer

Submitted By :Ali Uppal