Download App

Is Matter Around Us Pure — Science STD 9 — Question

CBSE BoardEnglish MediumSTD 9ScienceIs Matter Around Us Pure1 Mark
MCQ
Which of the following substance cannot be broken down by a chemical method?
  • A
    Ammonia (NH3)
  • B
    Helium (He)
  • C
    Methane (CH4)
  • D
    Water (H2O)
✓

Answer

  1. Helium (He)

Explanation:

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 Is Matter Around Us Pure→Is Matter Around Us Pure — all question types→Science STD 9 question papers→CBSE Board STD 9 question papers→CBSE Board question paper generator→

Similar questions

The atom as a whole is electrically neutral", is a statement proposed by which atomic model:
→
In Rutherford's experiment, most of the alpha particles go straight through the foil because.
→
Which of the following has the maximum number of atoms?
  1. 18g of H2O
  2. 18g of O2
  3. 18g of CO2
  4. 18g of CH4
→
Which one of the following statements is incorrect:
→
Among the following statement, point out the incorrect separation technique:
  1. Separation of colloidal particles from solution-centrifugation.
  2. Separation of two miscible liquids separating funnel.
  3. Separation of pure substance from its impure form-crystallisation.
  4. Separation of components with the help of same solvent-chromatogaphy.
→
Which of the following is one of the postulates of Rutherford's theory?
→
Which flow chart correctly describes a homogeneous material?
→
Which one of the following statement is correct in respect of fluids?
  1. Only gases behave as fluids.
  2. Gases and solids behave as fluids.
  3. Gases and liquids behave as fluids.
  4. Only liquids are fluids.
→
The formula of the sulphate of an element X is X2(SO4)3. The formula of nitride of element X will be:
→
What prevents an atom from being collapsed?
→