The main component of Pyrex glass is_____________________?
The main component of Pyrex glass is_____________________?
A. Zinc
B. Lead
C. Boron
D. Selenium
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Fourdrinier machine is used in the manufacture of
Question: Fourdrinier machine is used in the manufacture of
[A].sugar [B].
paper [C].
alcohol from molasses [D].
phenol formaldehyde Answer: Option B
Explanation:
No answer description available for this question.
Solvent extracted oil________________?
Solvent extracted oil________________?A. Has low free fatty acid content
B. Is odourless
C. Has more of unsaturates
D. None of theseBrackish water which contains mostly dissolved salt, can be purified by the __________ process.
Question: Brackish water which contains mostly dissolved salt, can be purified by the __________ process.
[A].reverse osmosis [B].
sand filter [C].
lime soda [D].
permutit Answer: Option A
Explanation:
No answer description available for this question.
Bromine is used in the preparation of___________________?
Bromine is used in the preparation of___________________?A. Fire extinguishing compounds
B. Fire proofing agents
C. Dyes and antiknock compounds
D. All A , B. and C.________________ is the major constituent of the Portland cement?
________________ is the major constituent of the Portland cement?A. Calcium carbonate
B. Calcium oxide
C. Tricalcium silicate
D. Calcium sulphateExothermic neutralisation reaction between caustic soda and dodecylbenzene sulfonic acid produces sodium dodecylbenzene sulphate, which is a/an?
Exothermic neutralisation reaction between caustic soda and dodecylbenzene sulfonic acid produces sodium dodecylbenzene sulphate, which is a/an?A. Explosive
B. Soap
C. Detergent
D. Analgesic drug