12 solutions available
We know air is a mixture. Would a mixture of gases also be considered a solution? (Page 135)
What will happen if we keep adding more salt to a given amount of water? (Page 136)
Do gases also dissolve in water? (Page 139)
Why are measuring cylinders always designed narrow and tall instead of wider and shorter like a beaker? (Page 144)
I wonder how the level of a coloured liquid is measured? (Page 145)
You have a bottle with a volume of 2 litres. You pour 500 mL of water into it. How much more water can the bottle hold?
An object has a mass of 400 g and a volume of 40 cm³. What is its density?
Analyse Figures (a) and (b). Why does the unpeeled orange float, while the peeled one sinks? Explain.
Object A has a mass of 200 g and a volume of 40 cm³. Object B has a mass of 240 g and a volume of 60 cm³. Which object is denser?
Reema has a piece of modeling clay that weighs 120 g. She first moulds it into a compact cube that has a volume of 60 cm³. Later, she flattens it...
A block of iron has a mass of 600 g and a density of 7.9 g/cm³. What is its volume?
You are provided with an experimental setup as shown in Figures (a) and (b). On keeping the test tube (Figure b) in a beaker containing hot water (~...
