(I)     (II) (III)     (IV) In which of the following beakers colour change of solution will take place after reaction?Only III and IIIOnly IVIII and IV

Write the chemical equation of the reaction with an example each in which the following change has taken place:(i) Change in colour(ii) Change in temperature (iii) Formation of precipitate.

Which of the following shows the Tyndall effect?(i) common salt(ii) milk(iii) copper sulphate solution(iv) starch solution

Which of the following two will give the same result?(i) 42//2(ii) 21%6(iii) 12/4(iv) 11*2ii,iiii, iiiii, iviii, iv

Which of the following ions will exhibit colour in aqueous solutions?Sc3+ (z = 21)La3+ (z = 57)Ti3+ (z = 22)Lu3+ (z = 71)

An aqueous solution turns red litmus solution blue. Excessaddition of which of the following solution would reverse thechange?(a) Baking powder(b) Lime(c) Ammonium hydroxide solution(d) Hydrochloric acid