National Science Olympiad Forum By SOF Olympiad Trainer

User Forum

Subject :NSO    Class : Class 3

Post Your Answer

Subject :NSO    Class : Class 6

Post Your Answer

Subject :NSO    Class : Class 8

Ans 1:

Class : Class 8
polyster is the answer

Post Your Answer

Subject :NSO    Class : Class 6
W

Post Your Answer

Subject :NSO    Class : Class 7

Post Your Answer

Subject :NSO    Class : Class 4

Ans 1:

Class : Class 4
sun has no orbit and moon has orbit around the earth so the answer is C .... COMMET

Ans 2:

Class : Class 4
The orbit marked as 'x'is of the sun i.e. option 'B'

Post Your Answer

Subject :NSO    Class : Class 5

Post Your Answer

Subject :NSO    Class : Class 6

A few changes are given as follows:
(i) Spinning of top
(ii) Occurrence of day and night
(iii) Formation of curd from milk
(iv) Curdling of milk by adding lemon juice
(v) Digestion of food
(vi) Burning of paper
Which of the following represents the correct classification of these changes?

A(i), (iv) and (vi) are physical irreversible changes while (ii), (iii), (iv) and (v) are chemical changes.
B(i), (iv) and (vi) are fast changes while (ii), (iii) and (v) are slow changes.
C(ii), (iv), (v) and (vi) are desirable changes while (i) and (iii) are undesirable changes.
DNone of these


Ans 1:

Class : Class 3

Post Your Answer

Subject :NSO    Class : Class 3

Ans 1:

Class : Class 3
What is the meaning of S here. please clarify. S is something which is natural i believe.

Post Your Answer

Subject :NSO    Class : Class 4

Ans 1: (Master Answer)

Class : Class 1

C

Air contains approximately 78% nitrogen, 21% oxygen, 0.9% argon, 0.04% carbon dioxide, and small amounts of other gases.


Post Your Answer