Download App

Metals and Non-Metals — Science STD 10 — Question

CBSE BoardEnglish MediumSTD 10ScienceMetals and Non-Metals1 Mark
Question
An acidic oxide is produced by the element:
  1. Na
  2. C
  3. Ca
  4. H
✓

Answer

  1. C

Explanation:

Because C is a non-metal, its oxide CO2 is an acidic oxide.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "M.C.Q-[Che-1M]" from Metals and Non-Metals→Metals and Non-Metals — all question types→Science STD 10 question papers→CBSE Board STD 10 question papers→CBSE Board question paper generator→

Similar questions

Dry raisins were soaked in water for 2 hours, to determine the percentage of water absorbed by raisins.Before final weighing of swollen raisins, the extra water left on the surface of soaked raisins was removed by:
→
In stainless steel alloy, iron metal is mixed with:
  1. Cu and Cr
  2. Cr and Ni
  3. Cr and Sn
  4. Cu and Ni
→
2mL each of concentrated HCl, HNO3 and a mixture of concentrated HCl and concentrated HNO3 in the ratio of 3 : 1 were taken in test tubes labelled as A, B and C. A small piece of metal was put in each test tube. No change occurred in test tubes A and B but the metal got dissolved in test tube C respectively. The metal could be:
→
Diamond is not a good conductor of electricity because:
→
Read the following statements:

  1. When a red litmus paper is dipped into reaction mixture of a saponification reaction, it turns blue and the reaction is exothermic.
  2. When a blue litmus paper is dipped into reaction mixture of a saponification reaction, its colour does not change and the reaction is exothermic.
  3. When a red litmus paper is dipped into reaction mixture of a saponification reaction, its colour does not change and the reaction is endothermic.
  4. When a blue litmus paper is dipped into reaction mixture of a saponification reaction, its colour does not change and the reaction is endothermic.

Which of the above statements are correct?

    →
    The indicator which produces a pink colour in an alkaline solution is:
    →
    Complete the reaction: 2FeSO4 →  Fe2O3  + ____ + ____.
    →
    Alloys are homogeneous mixtures of a metal with a metal or nonmetal. Which among the following alloys contain non-metal as one of its constituents?
    →
    When dilute HCl is added to zinc pieces taken in a test tube:
    →
    In order to prevent the spoilage of potato chips, they are packed in plastic bags in an atmosphere of:
    →