Question

write four important bases and their uses.
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Answer 1

Answer:

Some common strong Arrhenius bases include:

Potassium hydroxide (KOH)

Sodium hydroxide (NaOH)

Barium hydroxide (Ba(OH)2)

Caesium hydroxide (CsOH)

Strontium hydroxide (Sr(OH)2)

Calcium hydroxide (Ca(OH)2)

Lithium hydroxide (LiOH)

Rubidium hydroxide (RbOH)

Answer 2

Explanation:

Ammonia, NH3 (fertiliser, cleaning agent)

Sodium hydroxide, NaOH (cleaning agent, paper, pH regulator)

Sodium carbonate, NaCO3 (paper, glass, detergent, toothpaste)

Sodium bicarbonate, NaHCO3 (baking soda, fire extinguisher, toothpaste)

Calcium hydroxide, or slaked lime, Ca(OH)2 (flocculant, paper)

Calcium carbonate, CaCO3 (limestone building, blackboard chalk)

Calcium hypochlorite, Ca(ClO)2 (sanitizer, disinfectant)

Potassium hydroxide, KOH (alkaline batteries)

Aluminium oxide, Al2O3 (plastic, glass, paint)

Hydrated iron (III) oxides, Fe2O3.nH2O (rust)