Measurement of Matter — Science STD 9 — Question

Fill in the following blanks with suitable words:
Newton’s first law of motion is also called Galileo’s law of ________.

Fill in the blanks in the following statements:
The maximum number of electrons that can go into the M shell is __________.

The element hydrogen is present in ….. organic compound.

Fill in the following blanks with suitable word:

If the area of a snow shoe is five times ______ than the area of an ordinary shoe, then the pressure of a snow shoe on the snow is five times _______.

Fill in the following blanks with suitable word:
The speed of sound in a solid is ____ than the speed of sound in air.

………………..+………………..→ HCl + Cl + HCl

Fill in the following blanks with suitable word:
Forces in a Newton’s third law pair have equal ______ but act in opposite _______.

Fill in the following blanks with suitable words:
The smell of perfume gradually spreads across a room due to _________.

Fill in the following blanks with suitable words:
The best evidence that the particles of matter are constantly moving comes from the studies of ________ and ________.

Fill in the blanks in the following statements:
Almost all the mass of an atom is concentrated in a small region of space called the __________.