Tnpsc Group 4 Chemistry Online Test 2

1.  Tree + Under the Earth + 30 Crore Year + Many Change =
   
   1.  Petrol
   2.  Water
   3.  Coal 
   4.  New tree
   
   
2.  Breaking Glass, Eruption of Volcono,  Rusting Iron and Spoiling of Food
   
   1.  Reverse +Irreversible Change
   2.  Slow + Fast Change
   3.  Desirable change
   4.  Undesirable Change
   
   
3.  Burning of Wood
   
   1.  Irreversible Change
   2.  Reversible Change
   3.  Slow + Fast Change
   4.  Desirable + Undesirable Change
   
   
4.  Batter into Idly is
   
   1.  Desirable + Undesirable Change
   2.  Slow + Fast Change
   3.  Reversible Change
   4.  Irreversible Change
   
   
5.  Weather is ____ change
   
   1.  Reversible+Irreversible change
   2.  Slow+fast Change
   3.  Non-periodic change
   4.  Periodic Change
   
   
6.  Earthquake is ______ Change
   
   1.  Slow + fast Change
   2.  Non-periodic change
   3.  Periodic change
   4.  Reversible + Irreversible Change
   
   
7. Greying of hair
   
   1.  Desirable + Undesirable
   2.  Slow + Fast Change
   3.  Irreversible Change
   4.  Reversible Change
   
   
8.  Evaporation of water
   
   1.  Desirable + Undesirable 
   2.  Slow + Fast Change
   3.  Irreversible Change
   4.   Reversible Change
   
   
9.  Curdling of Milks is
   
   1.  Desirable + Undesirable
   2.  Slow + Fast Change
   3.  Irreversible Change
   4.  Reversible Change
   
   
10.  Bloom of Flowers, Ripen of Fruits and Raining are
    1.  Reversible + Irreversible changes
    2.  Slow + Fast Change
    3.  Undesirable changes
    4.  Desirable changes
    
    

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