Question

Q5 Long answers (3x3=9)

i) Differentiate True solution, Colloidal and suspension


ii)Write the chemical formula of a) Sodium Chloride b) Ammonium sulphate

c) Sodium Carbonate


iii) Define the following a) Tyndall effect b) Saturated solution c) Valency


Q6 i) Three elements X,Y&Z have atomic number 12,10 & 18 respectively Show their (2)

distribution in K,L,M & N shells. Which of these are noble gases justify your answer

ii) Write any three postulates of Bohr’s model along with neat and clean diagram (3)​

Answer 1

Answer:

BASIS FOR COMPARISON TRUE SOLUTION COLLOIDAL SOLUTION SUSPENSION

The true solution is the homogenous mixture, while Colloidal solution and Suspension are the heterogeneous mixtures of two or more substances. Another difference between these three types of solution is that the True solution is transparent, while the Colloidal solution is translucent and Suspension is opaque

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