Question

Q.3 Answer the following questions. (Any Five)
(15)
i) Check whether the following groups of elements having similar chemical
properties are Dobereiner's triads or not.
(Atomic mass numbers are given in the brackets.)
a) Mg (24.3), Ca (40.1), Sr (87.6)
b) S(32.1), Se (79.0), Te (127.6)
c) Be(9.0), Mg(24.3), Ca(40.1)
ii) The reaction of acetic acid and findi​

Answer 1

Answer:

[code: your text me brainliest]

Answer 2

mg (24.3)ca(40.1), sr(87.6)

Explanation:

because_______________