Download App

Unit - 2.1 Physical and Chemical Changes CHEMISTRY - Unit - 2.1 Physical and Chemical Changes

ICSE - STD 8 - CHEMISTRY (ICSE - English Medium). 33 questions in this chapter.

Question types

Unit - 2.1 Physical and Chemical Changes question types

33 questions across 8 question groups — pick any mix to generate a CHEMISTRY paper with step-by-step answer keys.

33
Questions
8
Question groups
5
Question types
Sample Questions

Unit - 2.1 Physical and Chemical Changes questions

One sample from each question group in this chapter. Select any group above to see the full set with answer keys.

Q 19MCQ1 Mark
When silver nitrate solution is mixed with sodium chloride solution, a precipitate of silver chloride is formed, which is of:
  • A
    silvery colour
  • B
    yellow colour
  • C
    grey colour
  • ✓
    white colour

Answer: D.

View full solution →
Q 20MCQ1 Mark
When ammonia gas reacts with hydrochloric acid gas, the ammonium chloride is formed which is in :
  • A
    liquid state
  • B
    solid state
  • ✓
    gaseous state
  • D
    partly solid and partly gaseous state

Answer: C.

View full solution →
Q 21MCQ1 Mark
When lead nitrate crystals are strongly heated, the colour of one of the gas evolved is :
  • A
    greenish yellow
  • B
    pink
  • ✓
    reddish brown
  • D
    light grey

Answer: C.

View full solution →
Q 22MCQ1 Mark
The decomposition of sodium bicarbonate on heating is :
  • ✓
    an endothermic reaction
  • B
    a reversible reaction
  • C
    a catalysed reaction
  • D
    an exothermic reaction

Answer: A.

View full solution →
Q 23MCQ1 Mark
The reaction between magnesium and oxygen is :
  • A
    an endothermic reaction
  • ✓
    an exothermic reaction
  • C
    a catalysed reaction
  • D
    a reversible reaction

Answer: B.

View full solution →
Q 29Match The Following.4 Marks
 Column A Column B
1.A chemical reaction which proceeds with the evolution of heat.a.Chemical change
2.A chemical reaction which proceeds with the absorption of heat.b.Exothermic reaction
3.Name of a change brought about by the decomposition of fruit juice.c.Oxygen
4.Name of change brought about when current passes through an electric bulb.d.Endothermic reaction
  e.Physical change
View full solution →
Browse all question groups ↑

Generate a Unit - 2.1 Physical and Chemical Changes paper free

Pick question groups from the list above, set marks and difficulty, and export a branded PDF with step-by-step answer keys. First 3 chapters free — no signup.

Download App
Generate Paper FreeAll CHEMISTRY chapters