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A solid substance P which is very hard is used in the construction of many buildings, especially flooring. when substance P is heated strongly, it decomposes to form another solid Q and a gas R is given out. Solid Q reacts with water water the release of a lot of heat to form a substance S. When gas R is passed into a clear solution of substance S, then a white precipitable of substance T is formed . The substance T has the same chemical composition as starting substance P. (a) What is substance P ? Write its common name as well as chemical formula. (b) What is substance Q ? (c) What is gas R ? (d) What is substance S ? What is its clear solution known as ? (e) What is bustance T ? Name any two natural forms in which substance T occurs in nature. |
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Answer» A solid substance P which is very hard is used in the construction of many buildings, especially flooring. when substance P is heated strongly, it decomposes to form another solid Q and a gas R is given out. Solid Q reacts with water water the release of a lot of heat to form a substance S. When gas R is passed into a clear solution of substance S, then a white precipitable of substance T is formed . The substance T has the same chemical composition as starting substance P. (a) What is substance P ? Write its common name as well as chemical formula. (b) What is substance Q ? (c) What is gas R ? (d) What is substance S ? What is its clear solution known as ? (e) What is bustance T ? Name any two natural forms in which substance T occurs in nature. |
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