Question

a substance X is obtained from 2 g of element by and 10 g of element red find the element of
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Answer 1

Answer:

Substance X is calcium oxide (CaO), also known as quicklime. It is an important ingredient in the processing of cement. Calcium oxide reacts with water to form calcium hydroxide Ca(OH)

2

which is a base and therefore, turns red litmus blue. The equation can be written as:

2CaO(s)+H

2

O(l)→Ca(OH)

2

(aq)

Step-by-step explanation:

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