SAT (Stage-2) M...

Velocity of sound in a gas is proportional to

Two spheres of the same size are made of the same metal, but one is hollow and the other is solid. They are heated to the same temperature. What will happen?

Which of the following does not undergo hydrolysis?

Which of the following has the highest melting and boiling points?

Calculate the number of molecules in 4.25 g of H₂SO₄.

Which of the following statements regarding the processes of boiling and evaporation is/are correct?

I. Kinetic energy of molecules increases during evaporation and boiling.
II. Both the processes occur at lower temperatures under reduced pressure.
III. The rates of both evaporation and boiling increase with the increase in surface area.

Alloys are mixtures of two or more metals or metals with some non-metals. Which of the following is not a characteristic of an alloy?

For which of the following, only integers are possible?

I. Valency
II. Oxidation state
III. Atomic number
IV. Atomic weight

Identify the correct statements regarding the modern periodic table.

I. The p-block has six groups because the p-subshell can accommodate six electrons.
II. The fourth shell in lanthanoids is the outermost shell.
III. While writing the electronic configuration, the outer most electron in lanthanoids enters the fourth shell.
IV. The periodic table has 7 groups and 18 periods.

M, a newly discovered element, is placed in group IA of the periodic table because it forms a/an

Cadmium is used in nuclear reactors because it

Which of the following statements about the reactivity of magnesium and aluminium is correct?

Which of the following statements is incorrect?