Download App

Metals and Non-Metals — Science STD 10 — Question

CBSE BoardEnglish MediumSTD 10ScienceMetals and Non-Metals1 Mark
MCQ
An acidic oxide is produced by the element :
  • A
    $\ce{Na}$
  • ✓
    $C$
  • C
    $\ce{Ca}$
  • D
    $H$
✓

Answer

Correct option: B.
$C$
Because $C$ is a non $-$ metal, its oxide $\mathrm{CO}_2$ 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" 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

Which of the following is not a straight chain hydrocarbon?
→
The composition of aqua $-$ regia is :
→
The $pH$ of the gastric juices released during digestion is:
→
Which of the following statement $(s)$ is $($are$)$ correct?
  1. Pyruvate can be converted into ethanol and carbon dioxide by yeast.
  2. Fermentation takes place in aerobic bacteria.
  3. Fermentation takes place in mitochondria.
  4. Fermentation is a form of anaerobic respiration.
→
The refractive indices of four media $\ce{A, B, C}$ and $D$ are $1.44, 1.52, 1.65$ and $1.36$ respectively. When light travelling in air is incident in these media at equal angles, the angle of refraction will be the minimum :
→
Consider the following comments about saponification reactions:
  1. Heat is evolved in these reactions.
  2. For quick precipitation of soap sodium chloride is added to the reaction mixture.
  3. Saponification reactions are special kind of neutralisation reactions.
  4. Soaps are basic salts of long chain fatty acids.
The correct comments are:
→
Connecting wires in a electric circuit are made of $.......?$
→
A blood vessel which carries blood back to the heart is:
→
The number of carbon atoms joined in a spherical molecule of buckminsterfullerene is:
→
A $10\ mm$ long awl pin is placed vertically in front of a concave mirror. A $5\ mm$ long image of the awl pin is formed at $30\ cm$ in front of the mirror. The focal length of this mirror is :
→