Atoms and Molecules — Science STD 9 — Question

Out of solids, liquids and gases, which one has:
Maximum interparticle attractions?

If the acceleration of the particle is constant in magnitude but not in direction, then what type of path does the particle follow?

Mention one advantage of mixed cropping.

Name three mixtures found in nature.

State whether the following statement is true or false:
Unbalanced forces acting on a body change its shape.

Given below are some example of wave motion. State in case, if the wave motion is transverse, longitudinal or a combination of both?
Wave produced in a cylinder consisting a liquid by moving its piston back and forth.

What are valence electrons? Where are valence electrons situated in an atom?

How are high yielding breeds of poultry advantageous over indigenous breeds?

The process of supplying _______ to crops in the fields by means of canals, reservoirs, wells, river valley systems and river lift systems is known as _______.

State the general name of the waves on which the particles of the medium vibrate:
In the same direction as wave.