National Science Olympiad Forum By SOF Olympiad Trainer

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Subject :NSO    Class : Class 5

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Subject :NSO    Class : Class 5

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Subject :NSO    Class : Class 9

Ans 1:

Class : Class 9

Ans 2:

Class : Class 9
D

Ans 3:

Class : Class 9

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Subject :NSO    Class : Class 6

Fill in the blanks.
The solubility of sugar in water ___(P)___ with an/a ___(Q)___ in ___(R)___ . However, The solubility of salt ___(S)___ very little with temperature.

            P                      Q                      R                      S
A Decreases       Increase       Temperature       Increases
B Increases        Increase        Temperature        Increases
CIncreases         Decrease       Pressure              Decreases
D Decreases      Increase         Pressure              Decreases


i cant understand it at all

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 6
B. BECAUSE OF MORE VEHICLES THERE IS MORE POLLUTION AND ELECTRIC APPLIANCES CAN DO THE SAME.

Ans 2:

Class : Class 6
sorry! just forgot!

Ans 3:

Class : Class 7
Nilesh even I ticked the answer B but the site says answer A.

Ans 4:

Class : Class 6
Answer should be B. Their answer A should be incorrect.

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Subject :NSO    Class : Class 5

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Subject :NSO    Class : Class 7

Fill in the blanks by choosing an appropriate option. When an electric current is passed through a bulb, the __(i)__ gets so heated that it glows. The element of electric heater is made up of __(ii)__. Wires used in electric fuses break when large electric current is passed through them due to __(iii)__ effect of electric current.

--------(i)--------------(ii)---------(iii)
AElement---Tungsten---Heating
BElement---Chromium---Magnetic
CFilament---Tungsten---Magnetic
DFilament---Chromium---Heating


Ans 1:

Class : Class 7
d

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 5
Pavilion cristatus

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Subject :NSO    Class : Class 4

Ans 1: (Master Answer)

Class : Class 1
The factors of 90 are 1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90. Hence, the correct answer is D.

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 7
[A] i and ii

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