Advertisements
Advertisements
Question
Write the balanced chemical equation of the following reaction.
aluminium sulphate + sodium hydroxide → sodium sulphate + sodium meta aluminate + water.
Advertisements
Solution
Al2(SO4)3 + 8NaOH → 3Na2SO4 + 2NaAlO2 + 4H2O
APPEARS IN
RELATED QUESTIONS
Translate the following statement into a chemical equation and then balance it.
Potassium metal reacts with water to give potassium hydroxide and hydrogen gas.
Giving examples, state the difference between balanced and unbalanced chemical equations.
What do you understand by exothermic reactions?
Write the balanced chemical equations of the following reactions.
chlorine + sulphur dioxide + water → sulphuric acid + hydrogen chloride
Match column A with column B.
| Column A | Column B |
| (a) Blue salt changes to white and then black | (i) Ammonium dichromate |
| (b) Orange coloured compound changes to green. | (ii) Iodine |
| (c) Red compound changes to brown and then yellow. | (iii) Zinc Nitrate |
| (d) White to yellow when hot and white when cold. | (iv) Copper sulphate |
| (e) Violet solid changes to violet vapours. | (v) Red Lead |
Answer the following question:
How do acids and bases react with each other? What is the name of the process? What product is obtained from these reactions?
Write word equation for the following molecular equation:
\[\ce{N2 + 3H2 ⇌[Fe - 450°C][200 atoms] 2NH3 + \triangle}\]
Word equation:
State why [+ Δ] indication is seen after NH3.
State what 200 atmospheres – indicates.
State the function of Fe in the above reaction.
Give one example in the case where supplying energy [given below] is necessary for a chemical reaction.
Light energy
Balance the following simple equation:
Fe2O3 + H2 → Fe + H2O
Which of the following is not a physical change?
