Skip to content
AnsweringExams.Com
  • Home
  • Contact Us / Report Error
  • Disclaimer

Month: February 2019

The function of gypsum addition during cement making is to_________________?

August 22, 2021February 14, 2019 by admin
The function of gypsum addition during cement making is to_________________?

A. Increase the density of cement
B. Decrease the cement setting rate
C. Both A. and B.
D. Neither A. nor B.

Categories Chemical Process

Main use of hydrazine is___________________?

August 22, 2021February 14, 2019 by admin
Main use of hydrazine is___________________?

A. As a rocket fuel
B. In water treatment
C. As a disinfectant
D. As fire retardant

Categories Chemical Process

Dehydrogenation of ethyl benzene produces __________________ ?

August 22, 2021February 14, 2019 by admin
Dehydrogenation of ethyl benzene produces __________________ ?

A. Styrene
B. Naphthalene
C. Phenol
D. Benzoic acid

Categories Chemical Process

In primitive days, _____________ was being manufactured by Leblanc Process ?

August 22, 2021February 14, 2019 by admin
In primitive days, _____________ was being manufactured by Leblanc Process ?

A. Alum
B. Washing soda
C. Soda ash
D. Calcium carbide

Categories Chemical Process

Good quality of edible salt is obtained from brine by the process of__________________?

August 22, 2021February 14, 2019 by admin
Good quality of edible salt is obtained from brine by the process of__________________?

A. Solar evaporation
B. Vacuum evaporation
C. Freeze drying
D. Electrolysis

Categories Chemical Process

______________ is produced by the dehydrogenation of ethyl benzene ?

August 22, 2021February 14, 2019 by admin
______________ is produced by the dehydrogenation of ethyl benzene ?

A. Styrene
B. Ethyl alcohol
C. Cumene
D. Phenol

Categories Chemical Process

Catalytic oxidation-dehydrogenation of methyl alcohol produces__________________?

August 22, 2021February 14, 2019 by admin
Catalytic oxidation-dehydrogenation of methyl alcohol produces__________________?

A. Formaldehyde
B. Phenol
C. Acetone
D. Maleic anhydride

Categories Chemical Process

A unit operation is exemplified by the process of ___________________?

August 22, 2021February 14, 2019 by admin
A unit operation is exemplified by the process of ___________________?

A. Reduction
B. Desorption
C. Nitration
D. Combustion

Categories Chemical Process

____________ is a polysaccharide?

August 22, 2021February 14, 2019 by admin
____________ is a polysaccharide?

A. Maltose
B. Starch
C. Sucrose
D. Glucose

Categories Chemical Process

حضور ؐ کا تیسرے آسمان پر اسم مبارک کیا ہے ______ ؟

August 22, 2021February 14, 2019 by admin
حضور ؐ کا تیسرے آسمان پر اسم مبارک کیا ہے ______ ؟

 
مزکی .❶
عبدالقادر .❷
مجیب .❸
مظہر .❹

Categories ISLAMIYAT-URDU
Older posts
Newer posts
← Previous Page1 … Page186 Page187 Page188 … Page448 Next →
© 2025 AnsweringExams.Com • Built with GeneratePress