Write a balanced equation for each of the followingreactions:a. Nitric acid reacts with calcium hydroxide to producewater and calcium nitrate.b. Butane (C4H10) reacts with oxygen to produce waterand carbon dioxide.c. Sulfur, present as an impurity in coal, is burned in oxygen to produce sulfur dioxide.d. Hydrofluric acid (HF) reacts with glass (SiO2) in theprocess of etching to produce silicon tetrafluoride andwater.

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