Hot water or very cold water .
The answer depends on what the solvent is and how much there is.
6 teaspoons At least 6 teaspoons of sugar added until it will no longer dissolve.
The exact amount may vary, but typically a solution can only dissolve about 2 teaspoons of sugar per 1 ounce of water before the sugar is seen accumulating at the bottom and no longer dissolves.
The answer depends on what the solvent is and how much there is.
The answer will depend on what solvent you are adding the sugar to and how much of it there is.
It depends on the type of sugar and the temperature of the water. Generally, around 4 teaspoons of sugar can dissolve in 20 ml of water at room temperature, but any excess sugar will likely not dissolve and will settle at the bottom.
Well the more of the substance u put the more it takes longer. for example if u r having a cup of tea and u put 3 teaspoons of sugar it would take longer to dissolve rather than 2 teaspoons.
I assume that the sugar is to be added all at once and the baking powder is to be added alternately in equal amounts. BTW sugar grains are bigger, so bigger spoon suits better for them :P
no
A saturated solution.
Any number after the solution has reached the point of saturation. It may be possible to dissolve a few more teaspoons of sugar but the super-saturated solution so formed will be unstable.
Well, in a cup of 200mL of tea one teaspoon will indeed dissolve. In fact up to 32 teaspoons of sugar will dissolve in a cup of hot tea (200mL). Not that you want that much sugar...Not sure if coffee is the exact same with sugar amounts.