Question

como eugenemo produce wac
•Formation of a residue
Hydrogen +oxygen -> Water
Evolution of gas
For example, adding potassium iodide ir
lead nitrate we get the yellow precipitate of lead iodide ( change in colour).
.
Hence :
Those substances which take part in a chemical reaction are called Reactants
Those substances which are formed after a chemical reaction are called Products
Let us see what have we leart:
1. How can we say that a chemical reaction has taken place in a chemica
change?
2. Identify the chemical change in the given chemical reactions
Photosynthesis, Boiling of water, Tearing of Paper, Formation of curd from Milk
3. Write down the reactants and products in the given equations
Magnesium
+ Oxygen.
-> Magnesium Oxide
Carbon + Oxygen
Carbon Dioxide
4. Write the names of the reactants and products in Photosynthesis reaction. Also
write the chemical equation of Photosynthesis
5. Pooja's mother did not keep the kneaded flour in the fridge in summers. In the
morning she saw some changes in it. Is it a physical or a chemical change ?​

Answer 1

Answer:

you are not allowed to ask 1 or more than 1 questions

- brainly administrator