Question

11. A visually challenged student, has to perform a lab test to detect the
presence of acid in a given solution. The acid-base indicator preferred by
him will be:
(a) Blue litmus
(b) Clove oil
(c) Red cabbage extract (d) Hibiscus extract
12. On the basis of electronic configuration of X, the group number and
period of the element X is:
(a) Group 15 period 2
(6) Group 13 period 2
(c) Group 9 period 5
(d) Group 13 period 5
OR
An element X with atomic number 11 forms a compound with element Y
with atomic number 8. The formula of the compound formed is
(a) XY
(6) XY -
(c) XY,
(d) X,Y,​

Answer 1

Answer:

this question asked in 11th exam

12ka or wala ka answer xy^2 hoga

Answer 2

Answer:

11. Clove oil

Explanation: