ICSE Class 10 Chemistry Question 13 of 23

Solved 2024 Specimen Paper ICSE Class 10 Chemistry — Question 18

Back to all questions
18
Question

Question 2(iii)

Complete the following by choosing the correct answers from the bracket:

(a) If an element has one electron in the outermost shell then it is likely to have the ................ [smallest/ largest] atomic size amongst all the elements in the same period.

(b) ................ [sulphuric acid/ hydrochloric acid] does not form an acid salt.

(c) A ................ [reddish brown/ dirty green] coloured precipitate is formed when ammonium hydroxide is added to a solution of ferric chloride.

(d) Alkanes undergo ................ [addition/ substitution] reactions.

(e) An ................ [alkaline/acidic] solution will turn methyl orange solution pink.

Answer

(a) If an element has one electron in the outermost shell then it is likely to have the largest atomic size amongst all the elements in the same period.

(b) Hydrochloric acid does not form an acid salt.

(c) A reddish brown coloured precipitate is formed when ammonium hydroxide is added to a solution of ferric chloride.

(d) Alkanes undergo substitution reactions.

(e) An acidic solution will turn methyl orange solution pink.