Atoms and Molecules — Science STD 10 — Question

A mixture contains 95.5% ethanol and 4.5% water is called ______ and 100% pure ethanol is called ______.

20 g of NaCl in 100 g of water is _____ solution.

Hertz is the unit of ______.

During water stress and drought conditions _______ causes stomatal closure.

_____ is one-twelfth of the mass of C – 12 atom, an isotope of carbon which contains _____ protons and ____ neutrons.

_____ is that temperature attained by two bodies when they are brought in thermal contact with each other are in thermal equilibrium, is attained.

Deliquescent substances lose their ______.

The glandular follicles of the thyroid gland are filled with colloid material called _____.

The major concept in astrobiology is the ______.