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प्रश्न
Name: A brown gas
उत्तर
Nitrogen dioxide
NO2
APPEARS IN
संबंधित प्रश्न
Complete and balance the following chemical equations
NaCI + `AgNO_3` `→`
Fill in the blank.
The formation of gas bubbles in a liquid during a reaction is called ......................
TRUE \ FALSE
Positively charged electrode is called the anode. True or false ?
Name three reducing agents ?
Differentiate between in Chemical reaction and chemical equation.
Write true or false.
A chemical equation gives only qualitative information of a chemical reaction.
A chemical equation is a statement that describes a chemical change in terms of
Complete the statement by filling the gaps using appropriate term from the terms given in the bracket.
(slow, coloured, arrow, fast, smell, milky, physical, product, chemical, reactant, covalent, ionic, octet, duplet, exchange, sharing, equality sign)
The spoiling of food is a chemical change which is recognized from the generation of certain ______ due to it.
Show with the help of diagram of electronic configuration how the following compound is formed from the constituent atoms.
Sodium chloride
Distinguish by dilute sulphuric acid.
Sodium Sulphite and sodium carbonate?
Select the correct answer for the following options:
The black residue obtained on heating copper carbonate.
On heating which of the following substances i.e. copper carbonate, zinc carbonate, washing soda, copper sulphate, zinc nitrate, copper nitrate, lead nitrate, ammonium chloride and ammonium dichromate – relate to the reaction given below.
A coloured substance which leaves a black residue and evolves two gases one of which is acidic and coloured and the other neutral and colourless.
______ is not a chemical change.
Anaerobic bacteria digest animal waste and produce biogas (Change – A). The biogas is then burnt as fuel (Change – B). The following statements pertain to these changes. Choose the correct one.
The percentage composition of Nitrogen in Ureas is ______.
______ are substances that speed up the process of a chemical change and it will not undergo any change during the course of the reaction.
Why is spoiling food a chemical change?
The reaction of H2 gas with oxygen gas to form water is an example of ______.
Both CO2 and H2 gases are ______.
What are the chemical reactions that occur in everyday life?
