Question

Unit Test = 3: 2020-21
Std-9 (English Medium)
Subject : Science (11)
:: 45 Minutes
uctions : * This question paper contains 12 sub questions.
* All the questions are compulsory.
Section-A
Answer the following questions as directed:
Name the scientist who first coined the term 'Protoplasm' ?
Which physical identity has the unit ms"?
State if the folowing statement is true OR false; and if false kindly rectity the
statement :
"Particles of suspension can not be seen with a naked eye."
Which of the following factors are not responsible that make a sol?
(B) Water (C) Wind
(D) Polythene Bag
Section-3
(A) Sun
the following questions In short as directed.​

Answer 1

Answer:

particles of suspension can not be seen with a naked eye?

This statement is (false)

Explanation:

Because size of particle of suspension is greater that colloidal particle and it can be seen with naked eye.......

Hope it helps