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The figure shows water in a measuring cylinder. What is the correct reading of the volume of water?
A metal piece of mass 54 g has a volume of 20 cm³. What is its density?
Three liquids X, Y and Z that do not mix are poured into a jar and settle as shown in the figure. Which of the following correctly compares their densities?
The figure shows three positions A, B and C of a student's eye while reading the volume of water in a measuring cylinder. Which position gives the correct reading?
A shopkeeper says, '1 kg of cotton and 1 kg of iron weigh the same, but the cotton needs a much bigger bag.' Why?
Assertion (A): An egg sinks in tap water but floats when a lot of salt is dissolved in the water. Reason (R): Common salt is soluble in water.
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