EASY
10th ICSE
IMPORTANT
Earn 100

Name the anion present in the given compound: When barium chloride solution is added to a solution of compound B, a white precipitate insoluble in dilute hydrochloric acid is formed.

Important Questions on Practical Work

EASY
10th ICSE
IMPORTANT
  Name the anion present in the given compound: The action of heat on the insoluble compound C produces a gas which turns lime water turbid.
EASY
10th ICSE
IMPORTANT
Name the anion present in the given compound: Compound D when warmed with dilute sulphuric acid gives a gas which turns acidified dichromate solution green.
EASY
10th ICSE
IMPORTANT
A given white crystalline salt was tested as follows: It is dissolved in water and the resulting solution of the salt turned blue litmus red. What conclusions can be drawn for this observation ?
EASY
10th ICSE
IMPORTANT
A given white crystalline salt was tested as follows: Addition of barium chloride solution into this solution gave a white precipitate. What conclusions can be drawnfrom this observation ?
EASY
10th ICSE
IMPORTANT
A given white crystalline salt was tested as follows : A flame test on the salt gave a persistent golden-yellow colourisation. What conclusions can be drawn from this observation?
EASY
10th ICSE
IMPORTANT
Sodium hydroxide solution is added to solution A. A white precipitate is formed which is insoluble in excess sodium hydroxide solution. Name the metal ion present in solution A.
EASY
10th ICSE
IMPORTANT
When ammonium hydroxide is added to solution B, a pale blue precipitate is formed. This pale blue precipitate dissolves in excess ammonium hydroxide giving an inky blue solution. Name the cation present in solution B.
MEDIUM
10th ICSE
IMPORTANT
When an ammonium salt is warmed with a sodium hydroxide solution, ammonia gas is evolved. State three ways in which you could identify this gas.