Home
Earn $100 Online Daily. Work From Home. Click Here

What is the correct answer?

4

Co-efficient of thermal expansion of glass is decreased by the addition of __________ during its manufacture.

A. CaO

B. MnO2

C. ZnO

D. FeS

Share this question with your friends
Correct Answer :

C. ZnO


Related Questions

__________ is the major constituent of the Portland cement. Pitch (a product of coal tar distillation) is always mixed with creosote… Nickel is not used as a catalyst in the Deacon's method is used for the manufacture of Dacron is a RDX (an explosive), which is more sensitive but less toxic than TNT, is… Sizing material is incorporated in paper to Saponification value/number of an oil or fat is a measure of its Pick out the wrong statement. Alcohol percentage in molasses may be around Commercial scale production of hydrogen from iron-steam reaction represented… Fatty material used in soap making is Glycerine is a by-product of the __________ industry. The catalyst used in shift converter is Systemic insecticides Fats as compared to oils have Synthetic glycerine is produced from Thermal pyrolysis of ethylene dichloride produces Cement setting under water employs a/an __________ process. A unit operation is exemplified by the process of Mercury cells for caustic soda manufacture, compared to diaphragm cells Most easily and cheaply available fibrous raw material for paper manufacture… Reaction of calcium carbide with water produces a gas, which is used Vanillin is a type of Sodium carbonate (soda ash) is not used in the manufacture of The noble gas which occurs most abundantly in the atmosphere is Pick out the true statement pertaining to water treatment. Trinitrotoluene (TNT), an explosive, is made by the nitration of Which of the following is an yellow pigment? In the manufacture of H2SO4, vanadium catalyst as compared to platinum…

Also checkout

Time and Work MCQ Articles MCQ Urinary Calculus Disease MCQ Mycoplasma and Bacteria MCQ Idioms & Phrases MCQ MS Office MCQ Co-Ordination Compound MCQ Wave, Motion, and Sound MCQ Synthesis of Sentences MCQ Rearrangement Set 7 MCQ Simplification MCQ Solution MCQ