National Science Olympiad Forum By SOF Olympiad Trainer - Page 845

User Forum

Subject :NSO    Class : Class 7

Ans 1:

Class : Class 7
As you see the chemical formula for water is H20, it contains molecules of hydrogen and oxygen

Ans 2:

Class : Class 2
Sodium Carbonate

Ans 3:

Class : Class 2
hydrogen and oxygen

Post Your Answer

Subject :NSO    Class : Class 5

Ans 1:

Class : Class 8
dipleidoscope

Ans 2:

Class : Class 2
Microscope

Ans 3:

Class : Class 5
Microscope or barameter!? Who knows??!! I think it is microscope

Ans 4:

Class : Class 6
Guys! Are you crazy? microscope is used to see microorganisms. The answer is weather camera.

Ans 5:

Class : Class 8
microscope

Ans 6:

Class : Class 6
Guys! Are you crazy? microscope is used to see microorganisms.barometer is used to measure the amount of rain.

Ans 7:

Class : Class 2
A Barometer

Ans 8:

Class : Class 5
microscope

Ans 9:

Class : Class 8
Barometer

Ans 10:

Class : Class 8
A barometer.

Post Your Answer

Subject :NSO    Class : Class 8

Ans 1:

Class : Class 8
VACCUM BUT LIGHT CAN

Ans 2:

Class : Class 8
In solids, especially when atoms are closely packed, metals.. Sound does travel in water and air with slow speed 1000, 300 m/s respectively whereas in metals with 3000 m/s.. And sound doesn't travel in vaccum at all..

Ans 3:

Class : Class 8
Vacuum

Ans 4:

Class : Class 8
Air

Ans 5:

Class : Class 8
vaccum

Ans 6:

Class : Class 9
Vaccum

Ans 7:

Class : Class 2
Water

Ans 8:

Class : Class 9
Through solids since the atoms are closely packed in them.

Ans 9:

Class : Class 2
Vacuum

Ans 10:

Class : Class 8
vacuum

Ans 11:

Class : Class 8
First of all , many have answered it vaccum but it is absolutely wrong because sound can not travel in vaccum and most probably the correct answer will be solid.

Post Your Answer

Subject :NSO    Class : Class 9

Ans 1:

Class : Class 9
Hydrogen and Oxygen H2O

Ans 2:

Class : Class 10
HYDROGEN AND OXYGEN

Ans 3:

Class : Class 9
hydrogen and oxygen.

Ans 4:

Class : Class 10
Sodium carbonate probably

Ans 5:

Class : Class 9
Hydrogen,oxygen

Ans 6:

Class : Class 10
sodium carbonate

Ans 7:

Class : Class 2
hydrogen and oxygen

Ans 8:

Class : Class 10
Hydrogen & Oxygen

Ans 9:

Class : Class 9
yes it is hydrogen and oxygen

Ans 10:

Class : Class 2
Sodium Carbonate

Post Your Answer

Subject :NSO    Class : Class 10

Ans 1:

Class : Class 2
Larynx

Ans 2:

Class : Class 10
LARYNX

Ans 3:

Class : Class 10

Ans 4:

Class : Class 10
Larynx. It is a tube about 2 inches (5cm) long in adults. It sits above the windpipe (trachea) in the neck and in front of the food pipe. The food pipe in the upper part of the neck is called the pharynx.

Ans 5:

Class : Class 10
Larynx

Ans 6:

Class : Class 4
larnyx

Ans 7:

Class : Class 8
Larynx

Post Your Answer

Subject :NSO    Class : Class 10

Ans 1:

Class : Class 2
MELANIN

Ans 2:

Class : Class 8
The melanin found in the hair follicle determines our hai colour.They are of two types - eumelanin and pheomelanin

Ans 3:

Class : Class 10
Melanin. Melanin is produced by cells called melanocytes.There are three basic types of melanin: eumelanin, pheomelanin, and neuromelanin. The most common is eumelanin, of which there are two types—brown eumelanin and black eumelanin. Pheomelanin is a cysteine-containing red polymer of benzothiazine units largely responsible for red hair, among other pigmentation. Neuromelanin is found in the brain, though its function remains obscure.Vitiligo: A Common Cause of Loss of Skin Pigment

Ans 4:

Class : Class 10
Melanin: The pigment that gives human skin, hair and eyes their color. Dark skinned people have more Melanin in their skin that light skinned people have. Melanin is produced by cells called Melanocytes. A month back I was facing Hyperpigmentation. It was getting worse and worse day by day. One of my friend recommended to use "Cysteamine Creame". After using it I felt very good. I highly recommend to use it, if anyone having skin pigmentation issue.

Ans 5:

Class : Class 10
Melanin

Ans 6:

Class : Class 10
MELANIN

Post Your Answer

Subject :NSO    Class : Class 10

Ans 1:

Class : Class 2
Nitrogen

Ans 2:

Class : Class 10
Nitrogen.

Ans 3:

Class : Class 10
Nitrogen

Ans 4:

Class : Class 9
nitrogen

Ans 5:

Class : Class 10
It is nitrogen.

Ans 6:

Class : Class 10
SHWETA, YOU SHOULD MENTION 7th ELEMENT ACCORDING TO MASS NO. OR ATOMIC NO.OR...WHAT?

Post Your Answer