1 Mole of CO2 mass is
We know that,
Mass of Carbon = 12 gms
Mass of Oxygen = 16 gms = O2 => 16 * 2 = 32 gms
=> Mass of 1 mole of CO2 = 12 + 32 = 44 gms.
Which is the most economical method of removing solid matter from water?
Which of the following elements has the lowest melting point?
NaHCO3 is chemical formula for ___________.
A change in which no new substances are formed is called _____________.
Which of the following is the best fire-extinguisher?
Which of the following statements are CORRECT?
I. Melamine is a Thermo setting plastic.
II. It resists fire.
III It is a poor conductor of heat.
Which of the following is a greenhouse gas or a gas which can deplete the ozone layer?
The common name of dichlorodifluoromethane is _____.
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