Plz answer these questions.....
Answers
Answer:
Answer 1- (I) A homogeneous mixture is formed when the two or more different substances are mixed uniformly throughout the mixture for example Milk..
(ll) vinegar and water. (a) and (c)
Answer 2 -(I) in container A the iron filings from the iron sulphur mixture will get seperated due to the presence of magnet but in container B the iron has been heated with sulphur to form a compoundand hence have lost its properties of magnetism and hence doesn't get attracted towards a presence of magnet.
(ii) Component of A wasn't not heated and hence was a mixture and retained its properties but in B it forms a compound and hence loses its properties..
Answer 3-
(I) Heat Camphor in a beaker and add a seperating funnel upside down on it and block it up using a cotton at the end and heat Camphor for a while... This process is known as Sublimation..
(ii) Naphthalene balls/powder can be seperated from salt using the same process..
(iii)Can also be seperated through evaporation..
Answer 4-
(I) law of conservation of mass.
(ii)Na. Co. +. HC. H O. = NaC. H. O + H O
2. 3. 2. 3 2. 2. 3. 2. 2
Answer 5-
(I) X is a solution but Y is a Colloid
(ii) X is a true solutions so the particles are very small to scatter light but Solution Y has a little bigger particles which can scatter light and show a Tyndall Effect...
Hope it Helps:-D