QUESTION 1 A catalyst O dissolves chemicals that water is unable to O is a large

Question

QUESTION 1 A catalyst O dissolves chemicals that water is unable to O is a large molecule that is broken down by a smaller one O is one of the ingredients' in a chemical reaction speeds up a chemical reaction without actually combining with reactants QUESTION 2 In the chemical reaction: iron+ sulfur >iron sulfide iron, sulfur and iron sulfide are products O iron and sulfur are products O iron sulfide is the product O sulfide is the product QUESTION 3 A Precipitate is: 0 A solid formed from a chemical reaction O A rocky edge 0 A substance dissolved in a liquid 0 A change in solution colour during a chemical change

Explanation / Answer

A catalyst

speeds up the chemical reaction without actually combining with all reactanats

2) In reaction Iron + sulphur --> iron sulphide

Iron sulphide is product

3) A precipitate is

solid formed from a chemical reaction

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