. A solid substance P which is very hard is used in the
construction of many buildings, specially flooring. When
substance P is heated strongly, it decomposes to form another
solid Q and a gas R is given out. Solid Q react with water with
the release of a lot of heat to form a substance S.When
gas
Ris
passed into a clear solution of substances T has the same
chemical composition as starting substance P.
1. What is substance P ? Write its common name as well as its
chemical formula.
2. What is substance Q?
3. What is gas R?
4. What is substance S? What is its clear solution known as?
5. What is substance T ? Name any two natural forms in which
substance T occurs in nature.
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Answer:
substance P is heated strongly, it decomposes to form another
solid Q and a gas R is given out. Solid Q react with water with
the release of a lot of heat to form a substance S.When
gas
Ris
passed into a clear solution of substances T has the same
chemical composition as starting substance P.
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