Question Text
Question 4 :
State true or false.<div><br/></div><div>In a chemical equation, the products are written on the left-hand side and the reactants on the right-hand side with an arrow in between.</div>
Question 6 :
Precipitate in a reaction is indicated by which arrow mark ?
Question 7 :
Other signs of a chemical reaction might be an increase in temperature if heat is released or a change in _____.
Question 9 :
A shorthand way of representing a chemical change is to use a _______ equation.
Question 10 :
The substance that initially involved in a chemical reaction is called a reactant.
Question 11 :
When one or more reactants form another product by the application of any external change, a _________________ is said to take place.
Question 13 :
Which of the following is not a type of chemical reaction?
Question 14 :
$X+{H}_{2}O\rightarrow Y$.<div><br/><div>$Y$ is used to remove grease stains from woollen clothes. Identify $X$ and $Y$:</div></div>