Download App

Metals and Non-Metals — Science STD 10 — Question

CBSE BoardEnglish MediumSTD 10ScienceMetals and Non-Metals1 Mark
MCQ
The metal which can be extracted from pyrolusite ore is:
  • A
    Mercury.
  • B
    Manganese.
  • C
    Aluminium.
  • D
    Magnesium.
✓

Answer

  1. Manganese.

Explanation:

Manganese is extracted from its oxide ore, pyrolusite. The name of the compound in the ore is manganese dioxide having chemical formula MnO2.

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

The noble gas having only two electrons in its valence shell is:
  1. Ar
  2. Ne
  3. He
  4. Kr
→
Wasp stings can be treated with:
  1. Baking soda.
  2. Vinegar.
  3. Washing soda.
  4. Milk of magnesia.
→
During electrolytic refining of zinc, it gets:
  1. Deposited on cathode.
  2. Deposited on anode.
  3. Deposited on cathode as well as anode.
  4. Remains in the solution.
→
The atomic number of an element Y is 17. The number of electrons in its ion Y− will be:
  1. 17
  2. 18
  3. 19
  4. 20
→
Electrolysis of water is a decomposition reaction. The mole ratio of hydrogen and oxygen gases liberated during electrolysis of water is:
  1. 1 : 1
  2. 2 : 1
  3. 4 : 1
  4. 1 : 2
→
Which of the following is a natural indicator?
→
In an electrolytic cell where electrolysis is carried, anode has:
→
Which of the following salts will give an aqueous solution having pH of almost 7?
  1. NH4NO3
  2. NH4Cl
  3. CaCl2
  4. KCl
→
The IUPAC name of CH3CHO is:
→
To determine the percentage of water absorbed by raisins, raisins are soaked in water for:
→