Question

व्हिच ऑफ द फॉलोइंग सब्सटेंसस शो टिंडाल इफेक्ट सोल सॉल्यूशन 4 सलूशन मिल्क एंड साल्ट वाटर​

Answer 1

The Tyndall effect is shown by a colloidal solution.

Salt solution and copper sulphate solutions are true solutions.  

Here milk and starch solutions are colloids therefore milk and the starch solutions will show the Tyndall effect.