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An electron loses potential energy when it
Which of the following statements are CORRECT?
I. Esters are sweet smelling substance.II Esters are used in making perfumes.III. Functional group of ester is R-O-RꞋ.
_____ is not caused by airborne transmission.
Which of the following books is NOT of Surdas?
Isotopes have ______.
I. similar physical quantities and different chemical properties
II. different physical properties
III. similar chemical properties
Which animal gives both milk and eggs?
Platypus is the animal that gives both milk and eggs.
Which of the following Harappan sites was not located in Gujarat?