Home › Quizzes › Pure and Impure Matter - I

Pure and Impure Matter - I

Pure and Impure Matter - I

20 Questions Published
Play Quiz Practise this topic out loud

Questions

Question 1 Multiple Choice (Single Answer)

Example of an element is

  1. air
  2. chlorine
  3. water
  4. sulphur dioxide
Question 2 Multiple Choice (Single Answer)

Which of the following is a compound?

  1. Milk
  2. Air
  3. Soda water
  4. Water
Question 3 Multiple Choice (Single Answer)

Glass has the elements

  1. Hg, Si, O2 and N2
  2. Na, Si and O2
  3. H2, O2 and C
  4. Si, C and O2
Question 4 Multiple Choice (Single Answer)

The symbol for potassium is

  1. Pt
  2. K
  3. P
  4. I
Question 5 Multiple Choice (Single Answer)

Marble is an example of

  1. compound
  2. mixture
  3. element
  4. none of the above
Question 6 Multiple Choice (Single Answer)

Which of the following has the highest kinetic energy?

  1. Solid
  2. Liquid
  3. Gas
  4. Plasma
Question 7 Multiple Choice (Single Answer)

Which of the following is a polyatomic element?

  1. Sulphur
  2. Aluminium
  3. argon
  4. neon
Question 8 Multiple Choice (Single Answer)

Which of the following is highly compressible?

  1. Copper
  2. Bromine
  3. Oxygen
  4. Iron
Question 9 Multiple Choice (Single Answer)

By which method can you separate a mixture of NaCl and water?

  1. Sublimation
  2. Distillation
  3. Solvent extraction
  4. Liquefaction
Question 10 Multiple Choice (Single Answer)

Why does balloon burst with a sound when it is pricked with a needle?

  1. Because of force exerted by the needle.
  2. Because of force exerted by gas present in the balloon.
  3. Because of decreasing kinetic energy of gas.
  4. Because of high temperature inside the balloon.
Question 11 Multiple Choice (Single Answer)

Which of the following can be separated by the methods of sedimentation and decantation?

  1. Mixture of NaCl and H2O
  2. Mixture of sugar and H2O
  3. Mixture of sand and H2O
  4. Mixture of salt and H2O
Question 12 Multiple Choice (Single Answer)

Which of the following is an element?

  1. Ruby
  2. Sapphire
  3. Emerald
  4. Diamond
Question 13 Multiple Choice (Single Answer)

Chemical formula for water glass is

  1. Ca2SiO3
  2. Na2SiO3
  3. NaAIO3
  4. AI2O3
Question 14 Multiple Choice (Single Answer)

A compound is made up of elements X and Y. The equivalent weight of X is one-fourth its atomic weight and the equivalent weight of Y is half its atomic weight. Therefore, the formula of the compound is

  1. XY
  2. XY2
  3. X2Y
  4. X4Y2
Question 15 Multiple Choice (Single Answer)

Dead burnt plaster is

  1. CaSO4.2H2O
  2. (CaSO4)2.H2O
  3. CaSO4
  4. 2CaSO4.H2O
Question 16 Multiple Choice (Single Answer)

The formula for aluminium chloride is AlaClb, where a and b have the values

  1. 1 and 3
  2. 1 and 4
  3. 6 and 2
  4. 2 and 3
Question 17 Multiple Choice (Single Answer)

Chemical name of ‘Blue Vitriol’ is

  1. ferrous sulphate
  2. zinc sulphate
  3. copper sulphate
  4. iodine
Question 18 Multiple Choice (Single Answer)

When iron filings are heated in a steam of dry hydrogen chloride, the compound formed is FeClx, where ‘x’ is

  1. 1
  2. 2
  3. 3
  4. 4
Question 19 Multiple Choice (Single Answer)

Which of the following is the formula for ferric sulphate?

  1. FeSO4
  2. Fe (SO4)2
  3. Fe3 SO4
  4. Fe2 (SO4)3
Question 20 Multiple Choice (Single Answer)

What is the molecular formula of glucose?

  1. CH2O
  2. C6H12O6
  3. C6H6
  4. Ca(OH)2
← Back to Quizzes