Advertisements
Advertisements
Question
State one characteristic of the chemical reaction which takes place when wax is burned in the form of a candle?
Solution
When wax (solid) is burnt in the form of candle, it produces water (liquid) and carbon dioxide (gas). Hence, this reaction is characterised by change in state.
APPEARS IN
RELATED QUESTIONS
Translate the following statement into chemical equation and then balance it.
Potassium metal reacts with water to give potassium hydroxide and hydrogen gas.
What does the symbol (aq) represent in a chemical equation?
Balance the given equation:
Fe + O2 
Fe2O3
Write balanced chemical equation from the following information:
An aqueous calcium hydroxide solution (lime water) reacts with carbon dioxide gas to produce a solid calcium carbonate precipitate and water.
Balance the following equation :
Fe + O2 → Fe3 O4
Write the balanced chemical equations of the following reactions.
chlorine + sulphur dioxide + water → sulphuric acid + hydrogen chloride
When a potassium iodide solution is added to a solution of lead (II) nitrate in a test tube, a precipitate is formed.
Write the balanced chemical equation for this reaction.
Balance the following simple equation:
FeCl2 + Cl2 → FeCl3
Write a balanced equation for the following word equation:
Aluminium + Oxygen → Aluminium oxide
To balance the following chemical equation the value of x and y should respectively be:
\[\ce{2NaOH + xAl_2O_3->yNaAlO_2 + H_2O}\]
