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सी.आई.एस.सी.ई.आयसीएसई ICSE Class 7

Write word equation for the following skeletal equation: NaOH+HA2SOA4⟶NaA2SOA4+HA2O - Chemistry

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प्रश्न

Write word equation for the following skeletal equation:

\[\ce{NaOH + H2SO4 -> Na2SO4 + H2O}\]

रासायनिक समीकरणे/रचना
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उत्तर

\[\ce{Sodium hydroxide + Sulphuric acid -> Sodium sulphate + Water}\]

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पाठ 5: Language of Chemistry - Exercise

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सेलिना Concise Chemistry [English] Class 7 ICSE
पाठ 5 Language of Chemistry
Exercise | Q 4.7

संबंधित प्रश्‍न

Translate the following statement into chemical equation and then balance it.

 Hydrogen gas combines with nitrogen to form ammonia


When hydrogen is passed over copper oxide, copper and steam are formed. Write a balanced equation for this reaction and state which of the chemicals are elements.


The chemical reaction between two substances is characterised by a change in colour from orange to green. These two substances are most likely to be:
(a) potassium dichromate solution and sulphur dioxide
(b) potassium permanganate solution and sulphur dioxide
(c) potassium permanganate solution  and lemon juice
(d) potassium dichromate solution and carbon dioxide.


Zinc oxide reacts with carbon, on heating, to form zinc metal and carbon monoxide. Write a balanced chemical equation for this reaction. Name (i) oxidising agent, (ii) reducing agent, in this reaction.

 

Balance the following chemical equation :

Na20 + H20  →  NaOH


Write the chemical equation for the following word equation and balance them.

Carbon   + Oxygen → Carbon dioxide


Write the balanced chemical equation of the following reaction.

aluminium + sodium hydroxide + water → sodium meta aluminate + hydrogen


\[\ce{MnO2 + 4HCl -> MnCl2 + 2H2O + Cl2}\]

0.02 moles of pure MnO2 is heated strongly with conc. HCl. Calculate mass of MnOused.


Representation of the results of a chemical change – is a chemical equation.

For the equation: FeCl3 + 3NH4OH 3NH4Cl + Fe(OH)3 ↓

Answer the following:

Write the word equation for the above molecular equation.


Write the skeleton equation for the following word equation and then balance them.

  1. Carbon + Oxygen → Carbon dioxide.
  2. Phosphorus + Chlorine → Phosphorus pentachloride.
  3. Sulphur + Oxygen → Sulphur dioxide.
  4. Magnesium + hydrogen → Magnesium + Hydrogen chloride chloride.

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