Advertisements
Advertisements
Question
Name: A brown gas
Advertisements
Solution
Nitrogen dioxide
NO2
APPEARS IN
RELATED QUESTIONS
Write the missing reactants and products and balance the equations.
................+ HCI `→` NaCI + `"H"_2"O"` + .........................
Fill in the blank.
Melting of ice is a _______ change.
Define a photochemical reaction.
Write the chemical reaction where the following changes are observed.
Physical state is changed
When hydrogen burns in oxygen, water is formed; when electricity is passed through water, hydrogen and oxygen are given out. Name the type of chemical change involved in the two cases.
What do you observe when CO2 is passed through lime water first and then a little in excess.
Name the following:
The type of change physical or chemical involved – ‘during respiration in human beings’.
Complete the table given below.
| Heat on iodine crystals | Colour of vapours evolved |
A chemical change may involve –
Write a note on the following:
Curdling of milk
