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Pooja Gupta from Dunne's Institute, Mumbai
Subject :NSO    Class : Class 8

Ans 1:

Aishwarya Dwivedi from St. John's School, Marhauli, Varanasi
Class : Class 9
Thermosetting plastics are synthetic materials that strengthen during being heated, but may get damaged when being tried to molded again. Thermoplastics are different. They can be remelted back into liquids and can be remolded also. Ex for thermosetting: epoxy resin(m-seal), melamine, urea formaldehyde etc. Ex for thermoplastics: polythene, polypropylene, polystyrene etc.

Ans 2:

reenanagar35@gmail.com from St. Anselms School, Jaipur
Class : Class 8
Thermo plastics- Plastics which are obtained by gentle heating and then moulding and they can be moulded again and again by gentle heating. Thermosetting plastics- Plastics which are obtained by gentle heating and then moulding but they cannot be moulded again and again by heating .

Ans 3:

Gaurav Jha from Ambience Public School, New Delhi
Class : Class 8
they are the different types of plastic. Thermosetting plastics have a cross linked arrangement of monomers whereas thermoplasts have linear arrangement of monomers

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ABHISHEK from DPS GREATER NOIDA, Greater Noida
Subject :NSO    Class : Class 6

Ans 1:

KRISHAV RASTOGI from ST PAUL SCHOOL, RAWATBHATA
Class : Class 9
I don't know

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ABHISHEK from DPS GREATER NOIDA, Greater Noida
Subject :NSO    Class : Class 6

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ABHISHEK from DPS GREATER NOIDA, Greater Noida
Subject :NSO    Class : Class 6

Ans 1:

SUBODH KUMAR from Delhi Public School, Bokaro
Class : Class 6
Pulsars are type of neutron star with high electromagnetic radiation and high speed rotation. They are so dense that singe spoon of their matter would wight 2 bn tonnes. Good question......

Ans 2:

Lakshya Garg from DMI, Meerut
Class : Class 6
Pulsars are the remains of a super giant star after the supernova. They are extremely bright even than super giant stars.

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ABHISHEK from DPS GREATER NOIDA, Greater Noida
Subject :NSO    Class : Class 6

Ans 1:

Aaryan Maheshwari from MPS Jaipur, Jaipur
Class : Class 6
everything that you weannt to know about pulsars:- www.seasky.org/celestial-objects/pulsars.html

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ABHISHEK from DPS GREATER NOIDA, Greater Noida
Subject :NSO    Class : Class 6

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Aishwarya Dwivedi from St. John's School, Marhauli, Varanasi
Subject :NSO    Class : Class 8

Ans 1:

Aishwarya Dwivedi from St. John's School, Marhauli, Varanasi
Class : Class 9
Thanks!! It really helped me a lot. I really needed help in this ques. Thanks to those who posted the answer.

Ans 2:

B G Karshana from Vidhya Niketan Public School, Coimbatore, Coimbatore
Class : Class 9
TVN

Ans 3:

Lovish garg from Academic Heights Public School, Lehragaga
Class : Class 8
ANSWER IS TVN

Ans 4:

Sheetal from Dr. Pillai Global Academy, panvel
Class : Class 8
TVN because if we see the difference between B and D ,it is C...similarly b/t J and M it is K L....next if we take P and K it is L M N O ....that shows the trend 1,2,4.....and it is the same with RSS and TVN. HOPE IT HELPED YOU.

Ans 5:

reenanagar35@gmail.com from St. Anselms School, Jaipur
Class : Class 8
TVN

Ans 6:

affaan from AL-FALAH INTERNATIONAL SCHOOL DPS JEDDAH, jeddah,saudi arabia
Class : Class 8
it is TVN like sheetal explained its that method which makes this answer...

Ans 7:

Sheetal from Dr. Pillai Global Academy, panvel
Class : Class 8

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Aishwarya Dwivedi from St. John's School, Marhauli, Varanasi
Subject :NSO    Class : Class 8

Ans 1:

reenanagar35@gmail.com from St. Anselms School, Jaipur
Class : Class 8
A domestic animal kept for milk production such as cows,buffaloes etc.

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Aishwarya Dwivedi from St. John's School, Marhauli, Varanasi
Subject :NSO    Class : Class 8

Ans 1:

tejas from Dav public school, MANDI
Class : Class 3
dynamic friction:the force that must be overcome to maintain steady motion of one body realative to another because they are in contact.for eg-sking. limiting friction:the force that can arise before the object begins to slide.it is slighyly greater than static friction for eg-internal combustion engines.

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krish from USHA MARTIN SCHOOL ,malda, malda
Subject :NSO    Class : Class 5

Ans 1:

from , Serampore
Class : Class 7
CO 2 (Carbon dioxide)

Ans 2:

ratankrmandal@yahoo.com from Vivekananda Mission School, Haldia
Class : Class 7
Baking Powder is a base.It is sodium hydroxide(NaOH). Vinegar is an acid.It is ascetic acid

Ans 3:

Soundharya from ISWK, Muscat
Class : Class 8
It gives softness to the food and too much in take is unhealthy.

Ans 4:

monishajv2006@gmail.com from manan vidya, Ranchi
Class : Class 5
baking powder is a type of powder used to make cakes,cookies and many more. vinegar is a type of liquid used to make cakes,cookies and other junk foods.they are also used to do experiment.

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