Question

give reasons for the following​

Answer 1

Answer:

b) give reasons :

i)  Fire safety officials do not recommend using soda bottles to douse fires. ... fire occur, just open the bottle, shake it quickly & spray on to the fire.

ii)Common salt contains impurities like magnesium chloride, which are deliquescent substances. So on exposure to air especially during the rainy season, table salt turns moist though sodium chloride is not deliquescent.

iv)hlorine gas (Cl2) is added to the water (H2O), it hydrolyzes rapidly to produce hypochlorous acid (HOCl) and the hypochlorous acid will then dissociate into hypochlorite ions (OCl-) and hydrogen ions (H+). Because hydrogen ions are produced, the water will become more acidic (the pH of the water will decrease

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