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Out of C-12 and C-14 isotopes of carbon, which is of radioactive nature?Why?

Posted by Swayam Solanki 4 years, 1 month ago

CBSE > Class 09 > Science

0 answers

ANSWER

Which is ur all 1st paper?

Posted by Xoxo .. 4 years, 1 month ago

CBSE > Class 09 > Science

4 answers

Xoxo .. 4 years, 1 month ago

Good

K_Hushii 🍁 4 years, 1 month ago

Apka kaisa gaya ?

Xoxo .. 4 years, 1 month ago

Same...!

K_Hushii 🍁 4 years, 1 month ago

Today my first exam english !

ANSWER

What is the ratio by mass of different elements H2SO4 sulphuric acid

Posted by Lavanya Chauhan 4 years, 1 month ago

CBSE > Class 09 > Science

0 answers

ANSWER

A ball of mass 200g falls from a height of 5m . What is its kinetic energy when it just reaches the ground?

Posted by Shubham Srivastava 4 years, 1 month ago

CBSE > Class 09 > Science

2 answers

Chandana Gupta 4 years, 1 month ago

49J

Nisha Gupta 4 years, 1 month ago

9.8J

ANSWER

What keeps the moon in uniform circular around the earth

Posted by Pragati Singh 4 years, 1 month ago

CBSE > Class 09 > Science

2 answers

Pragati Singh 4 years, 1 month ago

Thank you vaishnavi

Vaishnavi Wakchaure 4 years, 1 month ago

Centripetal force

ANSWER

436084

Posted by Dhruv Gupta 4 years, 1 month ago

CBSE > Class 09 > Science

0 answers

ANSWER

Full form of S. T. D

Posted by Anay Shukla 4 years, 1 month ago

CBSE > Class 09 > Science

1 answers

Pragati Singh 4 years, 1 month ago

Sexual transmitted diseases

ANSWER

What is full form of hiv

Posted by Anay Shukla 4 years, 1 month ago

CBSE > Class 09 > Science

2 answers

Vaishnavi Wakchaure 4 years, 1 month ago

HIV= Human Immuno Deficiency Virus

Xoxo .. 4 years, 1 month ago

Human immunodeficiency virus...

ANSWER

A metal block of mass 5 kg and dimension 10 cm 20 cm and 15 cm are placed on a plane in different orientation then calculate pressure in each case

Posted by Pragati Singh 4 years, 1 month ago

CBSE > Class 09 > Science

2 answers

Pragati Singh 4 years, 1 month ago

Thank you

Sheikh Dilawar 4 years, 1 month ago

15cm

ANSWER

Hello ?

Posted by Xoxo .. 4 years, 1 month ago

CBSE > Class 09 > Science

4 answers

K_Hushii 🍁 4 years, 1 month ago

Hlo

Sanket .........✨ 4 years, 1 month ago

Hii......

Pragati Singh 4 years, 1 month ago

Hi

Tejas T. 4 years, 1 month ago

Hi

ANSWER

Ajj hamna TOYOTA ki ENDROVER le.ajj mae bohot khush hu

Posted by Tejas T. 4 years, 1 month ago

CBSE > Class 09 > Science

0 answers

ANSWER

what is the role of the acid in our stomach?

Posted by Ghöst Rîdër 4 years, 1 month ago

CBSE > Class 09 > Science

1 answers

K_Hushii 🍁 4 years, 1 month ago

Are u rohan thakur ?

ANSWER

A 0.24g sample of compound of oxygen and boron was found by analysis to contain 0.096g of boron and 0.144g of oxygen. Calculate the percentage composition of the compound by weight

Posted by Shashank Kumar 4 years, 1 month ago

CBSE > Class 09 > Science

0 answers

ANSWER

Write types of atoms with example

Posted by Lavya Jain 4 years, 1 month ago

CBSE > Class 09 > Science

2 answers

Vishal Gupta 4 years, 1 month ago

Proton neutron electron

Kanchan Gadwal 4 years, 1 month ago

There are three types of atoms Protons Electrons Neutrons These are atoms types

ANSWER

Explain Ruterford's model in detail

Posted by Km Sanjana 4 years, 1 month ago

CBSE > Class 09 > Science

2 answers

Xoxo .. 4 years, 1 month ago

Force between any two objects in universe: gravitation

Aditi Aditi 4 years, 1 month ago

What is the nature of gravitation force

ANSWER

Define Bohr's model

Posted by Syed Mueen Abbas 4 years, 1 month ago

CBSE > Class 09 > Science

0 answers

ANSWER

Plz give me sample paper of 2022

Posted by Rimpy Kalita 4 years, 1 month ago

CBSE > Class 09 > Science

0 answers

ANSWER

What is Alloys?

Posted by Shayan Bhadra 4 years, 1 month ago

CBSE > Class 09 > Science

2 answers

Kishan Srivastava 4 years, 1 month ago

Allow is mixture of two metal and metal and non metal

Ritika Jakhar 4 years, 1 month ago

Mixture of two metals compleyely

ANSWER

How do vaccine protect us from disease

Posted by Bimla Yadav 4 years, 1 month ago

CBSE > Class 09 > Science

1 answers

Chirag Singh 4 years, 1 month ago

Vaccination strong our immunity so diseases can't harm our body

ANSWER

What are the principle of immunization

Posted by Ayush Kumar 4 years, 1 month ago

CBSE > Class 09 > Science

1 answers

Prachi Pal 4 years, 1 month ago

The principle of vaccination is to produce immunity against a disease.

ANSWER

What are three equations of motion?

Posted by Nandani Yadav 4 years, 1 month ago

CBSE > Class 09 > Science

3 answers

Ritika Jakhar 4 years, 1 month ago

And Ist equation is called velocity -time relation 2nd is position -time relation 3rd called position -velocity relation

Kirtan Vithani 4 years, 1 month ago

3rd one is s=ut +1/2 at

Abhi Chaudhary 4 years, 1 month ago

The three equations are, v = u + at. v² = u² + 2as. s = ut + ½at

ANSWER

Write a short note on Pulse Polio Programme?

Posted by Rajiv Kumar 4 years, 1 month ago

CBSE > Class 09 > Science

0 answers

ANSWER

science paper 2022 muko please

Posted by Varsha Mali 4 years, 1 month ago

CBSE > Class 09 > Science

0 answers

ANSWER

When will you say a body is in i) uniform acceleration ii) non-uniform acceleration

Posted by Krisha Thami 4 years, 1 month ago

CBSE > Class 09 > Science

2 answers

K_Hushii 🍁 4 years, 1 month ago

A body is said to be in uniform acceleration when it is increasing its speed equally in equal interval of time (ii) non uniform acceleration when it is increasing unequal amount of speed in equal..

Krisha Thami 4 years, 1 month ago

Plz plz it's my homework plz guys help ?? ?

ANSWER

My name is TEJAS

Posted by Tejas T. 4 years, 1 month ago

CBSE > Class 09 > Science

1 answers

K_Hushii 🍁 4 years, 1 month ago

I know so what ??

ANSWER

What is formula of aluminium

Posted by Op Op 4 years, 1 month ago

CBSE > Class 09 > Science

3 answers

Ritika Jakhar 4 years, 1 month ago

Al3+

Varsha Kanwar 4 years, 1 month ago

Al

K_Hushii 🍁 4 years, 1 month ago

Al

ANSWER

What us mean by force

Posted by Nithish.S Nithish.S 4 years, 1 month ago

CBSE > Class 09 > Science

1 answers

Anshika Chauhan 4 years, 1 month ago

Force = push or pull Formula of force = mass × acceleration (ma)

ANSWER

What is universal law

Posted by Balkaran Singh 4 years, 1 month ago

CBSE > Class 09 > Science

1 answers

Nancy Sharma 4 years, 1 month ago

The gravitational force between two uniform objects is directed along the line joining their centres.

ANSWER

To observe and compare the pressure, student A takes the solid iron cuboid while B takes its alloy. Both of them measure the weight of cuboids with the help of a spring balance and find them equal. If both of the students perform the experiment with the face having the same dimensions then they will observe: a) different pressure in both cases b) greater pressure in case of student A c) greater pressure in case of student B d) same pressure in both cases

Posted by Jatin Jangid 4 years, 1 month ago

CBSE > Class 09 > Science

1 answers

Parnika A 4 years, 1 month ago

Option A

ANSWER

What is a disease? How can they be majorly classified? Given examples.

Posted by Omm Das 4 years, 1 month ago

CBSE > Class 09 > Science

0 answers

ANSWER

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