Login
Subject: Science, asked on 30/5/16

what is formal of chemical

Subject: Science, asked on 7/5/16

WHAT IS AIR AND VACCUM?

Subject: Science, asked on 8/3/16

A glass of ice water put in an air tight container
1)after a short while, state whether the air tight container will contain less water vapour or more water vapour
2)give reason to support your answer.

Subject: Science, asked on 26/2/16

air is important for water cycle in nature

Subject: Science, asked on 25/2/16

 answer the following
1. give a simple experiment to prove that air is essential for burning
2. give four uses of air
3. give four uses of oxygen
4. why do traffic constables wear face masks
                  please answer i will surely give you like

Subject: Science, asked on 25/2/16

how is argon usefull to living organisms

Subject: Science, asked on 25/2/16

how will you prove that air contains carbon -dioxide?

Subject: Science, asked on 16/2/16

How do sand has air

Subject: Science, asked on 14/2/16

is it harmfull to breath in nitrogen why?
 

Subject: Science, asked on 12/2/16

HI EVERYONE.

I WANT TO KNOW THAT  WHAT IS THE USES OF NITROGEN AND ARGON GAS.

Subject: Science, asked on 8/2/16

what is gas used in fire ehstinguiser ?

Subject: Science, asked on 7/2/16

How many types of gases are there? Name them with its uses

Subject: Science, asked on 4/2/16

​​​why we intake the oxygen only not nitrogen or something else mam sir  

Subject: Science, asked on 28/1/16

sir/mam please tell what is resiperation

Subject: Science, asked on 20/1/16

what is nitrogen
and gases
 

23456
What are you looking for?