National Science Olympiad Forum By SOF Olympiad Trainer - Page 25

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Subject :NSO    Class : Class 7

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Subject :NSO    Class : Class 4

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Class : Class 4
A IS THE CORRECT ANSWER AS IT IS A SHIP( WATER TRANSPORT ) AND IS ODD AS TRUCK,AUTO,BUS ARE LAND TRANSPORT. A IS NOT A TRAIN IT IS A SHIP.A SHIP. A SHIP. A SHIP!!

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Subject :NSO    Class : Class 3

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Subject :NSO    Class : Class 7

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Subject :NSO    Class : Class 6

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Subject :NSO    Class : Class 7

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Subject :NSO    Class : Class 2

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Subject :NSO    Class : Class 8

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Subject :NSO    Class : Class 8

Identify the salts W, X, Y and Z from their uses.
W : Used in medicines and fire extinguishers
X : Used in purification of water
Y : Used in fireworks
Z : Used as a fungicide

W X Y Z
A Sodium
carbonate
Potash
alum
Copper
sulphate
Sodium
nitrate
B Potassium
chloride
Silver
nitrate
Sodium
bicarbonate
Potassium
sulphate
C Potassium
nitrate
Sodium
carbonate
Potash
alum
Sodium
chloride
D Sodium
bicarbonate
Potash
alum
Potassium
nitrate
Copper
sulphate


Ans 1:

Class : Class 8
how

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Subject :NSO    Class : Class 8

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