Is Matter Around Us Pure ? — Science STD 9 — Question

The particle which is formed by the loss or gain of electrons by an atom is called _________.

Scientists say that there are actually five states of matter: Solid, liquid, gas, ___________ and ___________.

The work done on a body moving in a circular path is __________. (Zero, Maximum, Minimum)

Fill in the following blanks with suitable words:
In a speed-time graph, the area enclosed by the speed-time curve and the time axis gives the _____ by the body.

_______ epithelium occurs in the lining of renal tubules and ducts of salivary glands. (Cuboidal, Columnar, Squamous)

The separation of liquids by fractional distillation is based o the difference in their __________.

The elements which are sonorous are called ________. (Metals, Non-metals, Metalloids)

At room temperature, the forces of attraction between the particles of solid substances are ____________ than those which exist in the gaseous state. (Much more, Much less, Equal)

Acceleration is the rate of change of __________ It is measured in ___________.