(DESCRUPTIVE)
CLASS VIII
Q.1 Give the answer of the following in one word OR one sentence.
(A) Name the undesirable plants grow along with cultivated crops.
(b) Name the process of conversion of sugar into alcohol.
(C) Write the name of 4R's of 4R principle.
(D) What is malleability?
(E) What is the full form of CNG
Q.2 Give the answer of the following questions
(A) Define crops. Name the two type of crops,
(b) Name the mosquitoes, which acts as carrier of malaria and dengue.
(C) Define biodegradable and non-biodegradable materials.
(D) Write the word equations of the chemical reactions involved in the following
(i) Dilute sulphuric acid is poured/ put on a copper plate.
(ii) Iron nails are placed in copper sulphate solutions.
(E) (i) What is the full form of PCRA.
(ii) What is carbonization process?
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Answer:
Hello akshita
Explanation:
Lights or visible lights commonly refers to electromagnetic radiation that can be detected by the human eye.
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