Question

Unit Test -4: 2020-21
Std-10 (English Medium)
Subject : Science (11)
T
ime: 45 Minutes
Section-A
2-1
Answer the following questions as directed :
(Each question of 1 mark)
Select the correct alterative from the given :
"Adding Acid & Base solutions in a test tube results to....
(0) The temperature of solution increases.
(i) The temperature of Solution decreases.
(iii) The temperature of the solution remains the same.
(iv) Formation of salt is seen
Alternatives : (A) only () correct (B) () & (ii) both correct
(C) (i) & (ii) correct (D) () & (iv) correct​

Answer 1

Answer:

please write Holi the question and the necessary details on how the all things I am confused

Answer 2

Answer:

(i) and (iv)

Explanation:

the temperature increases and formation of salt is seen