Question

2_
6. A chemid
using symbols and I
3
EVALUATION
4
d. catalysts.
E.
d.
may
rise or fall
A. Choose the correct option.
1. The substances initially involved in a chemical reaction are
a, products.
b. reactors. c/reactants
.
2. In an exothermic reaction, the temperature
a. remains the same.
c. falls.
brises,
a. formation of products.
c. rise in temperature.
Devolution of gas.
4. Which of the following is not a characteristic of a chemical reaction?
a. Change of size
b. Change of state
c. Heat absorbed
F.
Formation of precipitate
5. The formation of gas bubbles with a sound in a solution is called
a. physical change.
b. effervescence.
c. precipitation
d. chemical reaction.
b. precipitation of a substance.
3. During a chemical reaction, the arrow pointing upwards shows the​

Answer 1

Answer:

arre aakhir kehna kya chahte ho

Answer 2

Answer:

correct agi question kalsi plz are u 10 th no