Question

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Answer 1

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• TO make a lactometer with ballpoint refill, one should follow the following steps.

1.Take a vacant ball pen refill. 2. Refill ought to have a metal point at the base. 

3.Take a bubbling tube and fill it with water. 

4.Put the refill in the water with a metallic point. 

5.To make the refill to remain in the water, embed a little eraser piece in the refill at the inside. 

6.Mark the point with marker up to which the refill is over the water. 

7. Now, purge the bubbling tube with water and fill it with milk. 8.Again put the refill in milk and mark the point which demonstrates the part which is over the surface of the milk. 9.Further, we can include, milk water blend in the bubbling tube and rehash a similar stage 8. 

10. we would now be able to analyze and test whether water is added to milk or not.

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