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Chemical Reactions and Equations — Science STD 10 — Question

CBSE BoardEnglish MediumSTD 10ScienceChemical Reactions and Equations5 Marks
Question
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:
  1. Elements.
  2. Compounds.
  3. Reactants.
  4. Products.
  5. Metals.
  6. Non-metals.
✓

Answer

$\text{H}_2\ +\ \text{CuO}\xrightarrow{\ \ \ \ \ \ \ \ \ \ \ }\text{Cu}\ +\ \text{H}_2\text{O}$
1. Elements: $H _2$ and Cu
2. Compounds: CuO and $H _2 O$
3. Reactants: $H _2$ and CuO
4. Products: CU
5. Metals: Cu
6. Non-metals: $H _2$​​​​​​​

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