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Explanation: The OSH Code 2020 fixes the daily work hour limit to a maximum of eight hours.
Bleaching Powder is a compound of _______?
What are diatoms?
Which acid is present in grapes?
The conversion of hard water into soft water by boiling or adding calcium hydroxide is called:
Which of the following does not give effervescence with sodium carbonate?
Which of the following substances will turn red litmus paper blue?
What is the term used for the process of removing calcium and magnesium from hardwater?
Which gas is evolved during the reaction of an acid with a metal?
_______ is a common name of ethanoic acid.
Which of the following relation is correct?
