National Science Olympiad Forum By SOF Olympiad Trainer - Page 706

User Forum

Subject :NSO    Class : Class 5

Ans 1:

Class : Class 5
The given graph shows that amount of CO2 increases from time Q to R The increases in CO2 amount during interval Q R is indicative of activities like deforastation burning of fossil fuels increases in vehicular transport etc.

Ans 2: (Master Answer)

Class : Class 1
The given graph shows that amount of CO2 increases from time Q to R. The increase in CO2 amount during interval Q – R is indicative of activities like deforestation, burning of fossil fuel, increase in vehicular transport etc.

Post Your Answer

Subject :NSO    Class : Class 6

Ans 1:

Class : Class 8
c

Ans 2: (Master Answer)

Class : Class 1
Answer: C 1 : Expansion of mercury in thermometer is a physical change which is reversible as mercury returns to its original position (contracts) on cooling. 2 : Breaking of glass is a physical change which is irreversible as broken pieces of glass cannot be joined back. 3 : Lighting LPG stove involves both physical and chemical changes. When LPG comes out of the cylinder it changes from liquid to gaseous state which is a physical change. Then the gas burns in the air which is a chemical change. 4. Boiling of an egg is a chemical change, liquid egg converts to solid egg having different texture and taste which is irreversible as boiled egg cannot be changed into original liquid form.

Post Your Answer

Subject :NSO    Class : Class 6

Ans 1: (Master Answer)

Class : Class 1
Answer: D The circuit will not be completed when one of the four bulbs blows off. Hence, all the bulbs P, Q, R and S will not glow

Post Your Answer

Subject :NSO    Class : Class 5

Ans 1:

Class : Class 6

Ans 2:

Class : Class 9

Ans 3:

Class : Class 5

Ans 4:

Class : Class 5
It will be C.

Ans 5:

Class : Class 10
C

Post Your Answer

Subject :NSO    Class : Class 5

Ans 1:

Class : Class 6

Ans 2:

Class : Class 9

Ans 3:

Class : Class 7
Correct option is c.

Post Your Answer

Subject :NSO    Class : Class 5

Post Your Answer

Subject :NSO    Class : Class 5

Ans 1:

Class : Class 5
bruh google says lever

Post Your Answer

Subject :NSO    Class : Class 5

Ans 1:

Class : Class 6
Because of the load only we have to give the force. So option B

Ans 2:

Class : Class 5
Ritam Das, It is A as they asked which is the part WHERE work is done, not BECAUSE OF WHICH part is work done

Ans 3:

Class : Class 4
i think a someone explain

Ans 4:

Class : Class 8
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Ans 5:

Class : Class 6
It should be A as we apply or put force on the effort then only the load can be lifted so as per me the A is the correct answer

Ans 6:

Class : Class 6
IT IS option A

Post Your Answer

Subject :NSO    Class : Class 5

Ans 1:

Class : Class 5
NN

Ans 2:

Class : Class 8

Post Your Answer

Subject :NSO    Class : Class 5

Ans 1:

Class : Class 4
oye balle balle dhe shava shava, balle balle dhe shava shava, pio pio re kava kava gana khatham hua

Ans 2:

Class : Class 2

Post Your Answer