Download App

Is Matter Around Us Pure ? — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceIs Matter Around Us Pure ?2 Marks
Question
Classify the following into elements and compounds:
  1. H2O
  2. He
  3. Cl2
  4. CO
  5. Co
✓

Answer

  1. H2O: Compound

  2. He: Element

  3. Cl2: Element

  4. CO: Compound

  5. Co: Element

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 "Que-Ans (Each of 2 Mark )" from Is Matter Around Us Pure ?→Is Matter Around Us Pure ? — all question types→Science STD 9 question papers→Gujarat Board STD 9 question papers→Gujarat Board question paper generator→

Similar questions

The number of electrons in the outermost shell of chlorine is 7. What is its valency and why?
→
Calculate the molecular masses of the following compounds:
  1. Hydrogen sulphide, H2S
  2. Carbon disulphide, CS2
→
How will the magnitude of buoyancy exerted by a liquid change if its volume is doubled?
→
What are the two types of pure substance? Give one example of each type.
→

Give an example of a average daily feed of a cow.

→

What will happen in a cell if its nucleus is removed? Give reasons in support of your answer.

→
What information do you get from the Fig. about the atomic number, mass number and valency of atoms X, Y and Z? Give your answer in a tabular form.

→
Give one example each of unicellular and multicellular organism.
→
What is the force of gravity on a body of mass 150kg lying on the surface of the earth?
(Mass of earth = 6 × 1024kg; Radius of earth = 6.4 × 106m; G = 6.7 × 10-11Nm2/kg2)
→
Name the following: (a) Kitchen of a cell; (b) Power house of cell.
→