The substances having density 1 g/ `cm^(3)` sink in water.

A body having density more than 1 g cm^(-3) sinks in water.

A piece of iron (density 7.6 g cm^(-3) ) sinks in mercury (density 13.6 g cm^(-3) ).

The volume of a body having density 1 gcm^(-3) and mass 100 g is _____ cm^(3) .

A crystalline solid of pure substance has a face - centred cubic structure with a cell edge of 400 pm. If the density of the substance in the crystal is "8 g cm"^(-3) , then the number of atoms present in 128 g of the crystal is

A cube made of material having a density of 900 kgm^(-3) floats between water of density 1000 kgm^(-3) and a liquid of density 700kgm^(-3) , which is immiscible with water. What part of the cube is inside the water?

Two spheres A and B, each of volume 100 "cm"^3 are placed on water (density = 1.0 "g cm"^(-3) ). The sphere A is made of wood of density 0.3 "g cm"^(-3) and the sphere B is made of iron of density 8.9 "g cm"^(-3) . Find the upthrust on each sphere.

A substance has a face centred cubic crystal with a density 1.984 g cm^(-3) and edge length 630 pm. Calculate the molar mass of the substance

What volume of 95% sulphuric acid (density = 1.85 g cm^(-3) ) and what mass of water must be taken to prepare 100 cm^3 of 15% solution of sulphuric acid (density = 1.10 g cm^(-3) ) ?

A 700 g solid cube having an edge of length 10 cm floats in water. How much volume of the cube is outside the water? Density of water =1000 kgm^-3

Two discs of same mass and same thickness have densities as 17 g//cm^(3) and 51 g//cm^(3) . The ratio of their moment of inertia about their central axes is