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ANSWER

What is name of smallest cell

Posted by Monalisha Tiwari 7 years, 1 month ago

CBSE > Class 09 > Science

2 answers

Prajjwal Upadhyay 7 years, 1 month ago

Sperm cell is the smallest cell

Aditya Kumar 7 years, 1 month ago

Sperm cell is the smallest one

ANSWER

What is liquefaction

Posted by Aahir Harsh Vir 7 years, 1 month ago

CBSE > Class 09 > Science

0 answers

ANSWER

How is soil formed?

Posted by Bhavana Singhal 7 years, 1 month ago

CBSE > Class 09 > Science

2 answers

Kareena Kumhar 7 years, 1 month ago

Over million years ago,the rocks at or near the earth's surface are broken down by the physical, chemical and biological processes.The end product of this breaking down is the fine soil particles.

Rishabh 2909 7 years, 1 month ago

Weathering of rocks

ANSWER

In summer, we feel cold when we put hand in water and vise-versa in winter.why?

Posted by Pawan Kumar 7 years, 1 month ago

CBSE > Class 09 > Science

1 answers

Bittu Raj 7 years, 1 month ago

Because water and vice-versa are volatile liquids. And when any volatile liquids is put on our hands we feel cold.

ANSWER

What is electromagnetic wave

Posted by Aayush Singh 7 years, 1 month ago

CBSE > Class 09 > Science

1 answers

Sk Kumar 7 years, 1 month ago

The wave which do not need any material medium to travel is called electromagnetic wave. Ex- light wave.

ANSWER

Hahaha

Posted by Hardik Pruthi 7 years, 1 month ago

CBSE > Class 09 > Science

1 answers

Sk Kumar 7 years, 1 month ago

Hohoho

ANSWER

How many iron atoms are there is 0.5mol of iron

Posted by Mani Kant 7 years, 1 month ago

CBSE > Class 09 > Science

2 answers

Durgesh Kumar Singh 7 years, 1 month ago

3.011×10²³ atoms ??????

3Thank You

Mani Kant 7 years, 1 month ago

ANSWER

Best book of physics

Posted by Sk Kumar 7 years, 1 month ago

CBSE > Class 09 > Science

4 answers

Sangita???? Ankita 7 years, 1 month ago

dinesh

Khushbu Sah 7 years, 1 month ago

Read me series

Durgesh Kumar Singh 7 years, 1 month ago

H C VERMA ??????

Mani Kant 7 years, 1 month ago

ANSWER

Suppose, There is container with half filled water. We have putted a lighted candle in in the bottom.Now we put a transparent Glass (used in kitchen for drinking) to cover the canlde. After few secs we saw that the water level in the glass increased more than the normal level give a reason why?

Posted by Sharad Kumar 7 years, 1 month ago

CBSE > Class 09 > Science

0 answers

ANSWER

Longitudinal waves and transverse wave

Posted by Gourav Chandela 7 years, 1 month ago

CBSE > Class 09 > Science

3 answers

Khushbu Sah 7 years, 1 month ago

Longitudinal wave can form compression and rarefaction where as transvers wave can form crest and trough

Shekhar Pandey 7 years, 1 month ago

Longitudnal waves can form compression and rarefaction and transverse wave can form crest and trough this very big difference between both

Anchal Mishra 7 years, 1 month ago

A wave in which particles of sound wave travel back to forth in the direction of wave is called longitudinal wave and A wave in which particles of wave travel upward to downward in the direction of wave is called trasverse wave

ANSWER

Why do we feel cold when we put our hand in water

Posted by Tanisha Jamod 7 years, 1 month ago

CBSE > Class 09 > Science

1 answers

Durgesh Kumar Singh 7 years, 1 month ago

Water absorb heat from our hand thus we feel cool

3Thank You

ANSWER

Which thermometer is used to measure the boiling point of water

Posted by Prem Sagar 7 years, 1 month ago

CBSE > Class 09 > Science

1 answers

Durgesh Kumar Singh 7 years, 1 month ago

Laboratory thermometer

ANSWER

How to convert kmph into mps

Posted by Yashwanth R 7 years, 1 month ago

CBSE > Class 09 > Science

2 answers

Khushbu Sah 7 years, 1 month ago

Multiply by 5/18

Durgesh Kumar Singh 7 years, 1 month ago

Multiply by 5/18

ANSWER

What is Tyndall effect????

Posted by Yashika Bhatnaagar 7 years, 1 month ago

CBSE > Class 09 > Science

4 answers

Chidambaram Rathna 7 years, 1 month ago

The phenomenon of the scattering of light by colloidal particles is called the tyndall effect.

Khushbu Sah 7 years, 1 month ago

Scattering of light is called Tyndall effect

Sk Kumar 7 years, 1 month ago

The scattering of a beam of light through colloidal solution is called tyndall effect

Pawandeep Kaur 7 years, 1 month ago

Tyndall effect means scattering of ligh beam

ANSWER

What is the temperature of space ...in kelvin scale.

Posted by Raj Raunak 7 years, 1 month ago

CBSE > Class 09 > Science

1 answers

Sk Kumar 7 years, 1 month ago

0 to 400 K

ANSWER

Where is latent heat hidden?

Posted by Sneha Vij 7 years, 1 month ago

CBSE > Class 09 > Science

2 answers

Durgesh Kumar Singh 7 years, 1 month ago

During changing of state

Yashwanth R 7 years, 1 month ago

Latent heat is hidden in the substance which is changing it's state of matter

ANSWER

Name any two protochordates.?

Posted by Sonam Tiwari 7 years, 1 month ago

CBSE > Class 09 > Science

1 answers

Prem Sagar 7 years, 1 month ago

Hardemania, amphioxus

ANSWER

What is the SI unit of acceleration? ??????????????????

Posted by Neha Panwar 7 years, 1 month ago

CBSE > Class 09 > Science

5 answers

Khushbu Sah 7 years, 1 month ago

m/s2

Anchal Mishra 7 years, 1 month ago

m/s2

Neha Panwar 7 years, 1 month ago

Thanks.....

Durgesh Kumar Singh 7 years, 1 month ago

m/s²

Yashwanth R 7 years, 1 month ago

m/s^2

ANSWER

Diffwrence between Healthy and disease free person

Posted by Agrawal Tushar 7 years, 1 month ago

CBSE > Class 09 > Science

3 answers

Vedant Sharma 7 years, 1 month ago

1.Healthy person is who is mentally, socially and physically well-being. 2.A healthy person is always disease free. 1.A disease free person is who has no disease. 2.A disease free person may or may not be a healthy person.

Durgesh Kumar Singh 7 years, 1 month ago

If a person is mentally, socially, physically well then he is healthy. Person who has not disease then he is called disease free person

Navneet Kumar 7 years, 1 month ago

Health is defined as complete mental, physical, socially well being but disease free is the absence of disease in a person

ANSWER

How to get a+2=diversity

Posted by Bla Bla Bla Maths 7 years, 1 month ago

CBSE > Class 09 > Science

0 answers

ANSWER

What do you mean by Covalency

Posted by Jyostna Phukan 7 years, 1 month ago

CBSE > Class 09 > Science

1 answers

Gaurav Seth 7 years, 1 month ago

Covalency:
The number of bonds an atom can form within a molecule is known as its covalency. The simplest atom, hydrogen has the capacity to form one bond; that is, it can attach itself to one other atom to form a molecule. Oxygen atoms can form two bonds and nitrogen atoms can form three within a molecule.