There are 650 milliliters of liquid in a jug.how much more liquid needs to be added to make 1litre?

To make 1 liter, which is equivalent to 1000 milliliters, you need to add more liquid to the 650 milliliters already in the jug. Subtracting 650 from 1000 gives you 350 milliliters. Therefore, you need to add 350 milliliters of liquid to the jug to reach 1 liter.