Relative density is measured by:

The pH value of human's urine in human is about

As part of bilateral cooperation in space technology, for which of the following neighboring countries did India launch the Indian Space Research Organization (ISRO) Nano Satellite 2 (INS-2B) in 2022 and inaugurated a ground station in the same country in 2023?

Who among the following was awarded the Nobel Prize in 1983, along with William A Fowler, for key discoveries related to evolutionary stages of massive stars?

Bohr model is __________.

Which of the following are the general properties of the "Ionic compounds"?

(A) Generally brittle and break into pieces when pressure is applied.

(B) Have high melting and boiling points.

(C) Conduct electricity in the molten state.

(D) Generally soluble in solvents like kerosene and petrol but insoluble in water.

Choose the correct answer from the options given below:

What is the name of the largest diamond in the world?