Question

2. What type of change is represented by burning of wax ?
(a) Physical change (b) Chemical change
3. What type of change is represented by melting of wax ?
(a) Physical change (b) Chemical change
4. Which of the following is a physical change :
(a) Burning of Mg
(b) Rusting of iron
(d) General change
(c) Reversible change
(c) Fundamental change (d) General change
(d) None of the these
(c) Glowing of bulb
(ii) Incomplete Statment Type Questions :
1. The process of coating zinc over an iron sheet :
(a) Crystallisation
(d) Electroplating
(b) Galvanization
(c) Alloying
2. Reaction in which acid and base react together is known as:
(a) Acid base reaction (b) Chemical reaction
(c) Titration
(d) Neutralisation
3. When iron gets covered with a brown powdery substance we call it as :
(a) Alloying
(b) Rusting
(c) Electroplating (d) Refining
4. Those substances which are powdery and poress no definite geometrical shape are known as :
(a) Crystalline substances
(b) Amorphous substances
(C) Anhydrous substances
(d) Thydlated substances
F. MATCHING TYPE QUESTIONS (MTQ) :​

Answer 1

Answer:

Step-by-step explanation:

2.both

3.physical

4.Burning of Mg

Answer 2

Answer:

2) (b) Chemical change

3) (a) Physical change

4) (c) Glowing of bulb  

(ii) Incomplete Statement type question:

1) (b) Galvanization

2) (d) Neutralization

3) (b) Rusting

4) (a) Crystalline solution

Step-by-step explanation:

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