NCERT Lab Manual XI — task. Science CBSE, Class 10.

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Answer the following questions:

1. What may happen on mixing \(Pb(NO_3)_2\) and \(KCl\) solutions? Predict (you may try to experimentally verify).

Red precipitate of lead chloride is formed.
Blue precipitate of lead chloride is formed.
Green precipitate of lead chloride is formed.
White precipitate of lead chloride is formed.

2. Why do the persons suffering from the ailment of stone formation advised not to take too much milk and tomato juice?

It is because milk contains calcium and tomato has iodide ions.
It is because milk contains calcium and tomato has hydroxide ions.
It is because milk contains calcium and tomato has chloride ions.
It is because milk contains calcium and tomato has oxalate ions.

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