Question Text
Question 1 :
A solution of a substance 'X' is used for white washing
Write the formula of 'X'.
Question 2 :
The following reaction is an example of :
$Fe_{2}O_{3} + 2Al \rightarrow Al_{2}O_{3} + 2Fe$
Question 3 :
Write the balanced chemical equation for the following and identify the type of reaction in each case:
Zinc carbonate (s) $\rightarrow$ Zinc oxide (s)+ Carbon dioxide (g)
Question 4 :
What happens when dilute hydrochloric acid is added to iron filings?
Question 6 :
Translate the following statements into chemical equations and then balance them:
Barium chloride reacts with aluminium sulphate to give aluminium chloride and a precipitate of barium sulphate.
Question 7 :
Give an example of a double displacement reaction other than the reaction of barium chloride with sodium sulphate.
Question 8 :
A solution of a substance 'X' is used for white washing
Write the formula of 'X'.
Question 9 :
Write the balanced chemical equations for the following reactions:
Zinc+ Silver nitrate $\rightarrow$ Zinc nitrate + Silver
Question 10 :
Write the balanced chemical equation for the following and identify the type of reaction in each case:
Magnesium (s)+ Hydrochloric acid (aq) $\rightarrow$ Magnesium chloride (aq) + Hydrogen (g)