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Dhiren asked a question
Subject: Chemistry, asked on on 6/2/14

what is the composition of air?Describe it
Aayush Pandey asked a question
Subject: Chemistry, asked on on 25/10/16
what will happen if we eat SOLID OXYGEN.
K Visweswara Krishna asked a question
Subject: Chemistry, asked on on 29/4/14

Which is fuel is used as a rocket fuel?
Tb asked a question
Subject: Chemistry, asked on on 5/11/15
Why Planting more reduces pollution of AIR?
Rangona Banerjee asked a question
Subject: Chemistry, asked on on 11/9/13

how can we know that air contains water vapour?
Divij Dawar asked a question
Subject: Chemistry, asked on on 18/4/16
How many properties of air are there?
Suchita Bansal asked a question
Subject: Chemistry, asked on on 24/10/13

before a jet plane takes off , it is filled with air and all doors and windows are sealed why is tis neccessary
Rangona Banerjee asked a question
Subject: Chemistry, asked on on 2/9/13

what is galvanisation?
Supratik asked a question
Subject: Chemistry, asked on on 1/8/13

what is electrostatic precipitator?
Snehnaz Sheikh asked a question
Subject: Chemistry, asked on on 3/12/13

HOW IS THE BALANCE BETWEEN OXYGEN AND CARBONDIOXIDE IS MAINTAINED?
Debosmita Dolai asked a question
Subject: Chemistry, asked on on 28/10/14

in the topic take test of chemistry topic-3 oxygeb-carbondioxide cycle in q.3 it is not mentioned that we have to choose the incorrect or correct option so if we are choosing the option a at last they are showing we have one mistake that the correct answer is option d but according to us option a is also correct so please give the question properly.
Mohd Irfan asked a question
Subject: Chemistry, asked on on 16/12/18
Nitika sees a poor man shivering in the cold outside her house.She takes permissions from her mother and give him an old backer.
A. Name the fibres used for blanket
B. Which value is shown by. Nitika
Mohamad Ali Badshah asked a question
Subject: Chemistry, asked on on 19/11/13

what are the uses of LPG
Saheli Majumder asked a question
Subject: Chemistry, asked on on 30/6/19
how can you show that exhaled air contains more water vapour than fresh air
Devdoot Sarkar asked a question
Subject: Chemistry, asked on on 18/11/14

Is Iron Pillar made of stainless steel????????
K Visweswara Krishna asked a question
Subject: Chemistry, asked on on 29/4/14

What is "liquetion of gas"?
Snehnaz Sheikh asked a question
Subject: Chemistry, asked on on 29/11/13

What is the balance between oxygen and carbon dioxide?
Suchita Bansal asked a question
Subject: Chemistry, asked on on 24/10/13

what is the meaning of calorific
Snehal Dutta asked a question
Subject: Chemistry, asked on on 17/4/14

formula of salt?
Rishab asked a question
Subject: Chemistry, asked on on 7/8/13

what is the formule of oxygen and hydrogen?
Mohammed Ehtesham & 1 other asked a question
Subject: Chemistry, asked on on 25/4/14

what is respiration in chemistry?
Sipika Devi asked a question
Subject: Chemistry, asked on on 23/11/13

what is the difference between chemical and physical change
Tithimita Chatterjee asked a question
Subject: Chemistry, asked on on 21/2/15
why is carbon dioxide not used in advertisement signs?
Fathima Ifaza asked a question
Subject: Chemistry, asked on on 7/11/13

what is chloro plast?
Kushagra Agrawal asked a question
Subject: Chemistry, asked on on 31/12/13

What is the difference between industry and factory????
Mohamad Ali Badshah asked a question
Subject: Chemistry, asked on on 19/11/13

Name the different contituents of air
Devdoot Sarkar asked a question
Subject: Chemistry, asked on on 30/8/14
Why plants take oxygen in the night?why not Cardondioxide?
Satvika Nitya asked a question
Subject: Chemistry, asked on on 2/5/14

can u name different components of air except the one told in the video?
Basit asked a question
Subject: Chemistry, asked on on 18/1/14

why do divers and mountaniners carry oxygen cilenders wiyh them
Abdur Rehman asked a question
Subject: Chemistry, asked on on 6/6/14

What do you mean by Combustion?
Smaran Patnaik asked a question
Subject: Chemistry, asked on on 4/9/13

what we understand about dust parcticles
Monisha Agrawal asked a question
Subject: Chemistry, asked on on 5/2/15
Explain in 4 points how respiration is similar to combustion of fuels?
Arth Jani asked a question
Subject: Chemistry, asked on on 31/1/14

whatt is pollution
Arth Jani asked a question
Subject: Chemistry, asked on on 2/2/14

what is air

Sachin Rawat asked a question
Subject: Chemistry, asked on on 27/2/14

what are the layer of atmosphere with photo
Ayushi Agarwal asked a question
Subject: Chemistry, asked on on 16/10/13

what does ignition mean?
Rangona Banerjee asked a question
Subject: Chemistry, asked on on 11/9/13

what is oxygen cycle?
Suchita Bansal asked a question
Subject: Chemistry, asked on on 15/9/13

how does the sun burn in the space even though there is no oxygen in space
Bappaditya Ghosh asked a question
Subject: Chemistry, asked on on 18/11/13

why lpg and cng are prefferd as a fuel?
Manik Pal asked a question
Subject: Chemistry, asked on on 13/12/15
NAME THE PRODUCT OBTAINED WITH FUELS ARE BURNED
 
Yugantar Jain asked a question
Subject: Chemistry, asked on on 11/8/15
what are the majour pollutants of the air??????????????
Rangona Banerjee asked a question
Subject: Chemistry, asked on on 11/9/13

what is the amount of nitrogen in air?
Ahona asked a question
Subject: Chemistry, asked on on 22/11/15
describe  CNG and LPG gas.
Aachintya asked a question
Subject: Chemistry, asked on on 4/1/16
list 4 uses of hydropower energy
Sukriti Rai asked a question
Subject: Chemistry, asked on on 21/11/15
what is the defination of rust and rusting . when we paint an iron does it rust or acts slowly compared to other iron materials which are not painted
Ahona asked a question
Subject: Chemistry, asked on on 22/11/15
  1. what are fuels?
  2. what is coal ?
N Karthik asked a question
Subject: Chemistry, asked on on 14/9/13

lpg and cngare preferred as fuels
john.khare35... asked a question
Subject: Chemistry, asked on on 22/11/13

air - separation of different componenets of air
Ajoy Sadhukhan asked a question
Subject: Chemistry, asked on on 26/9/15
NH3+CO2=NH+CO3
Krishang Mudaliar asked a question
Subject: Chemistry, asked on on 6/2/16
what does word abundant?
Sumedha Ghosh Chowdhury asked a question
Subject: Chemistry, asked on on 18/12/15
Q1.What are the waste products produced during :

A.respiration
B.photosynthesis
C.combustion
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