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WorksheetsScience Quiz Revision
Total questions: 20
Worksheet time: 11mins
The Particles in Solid are arranged in _____ rows with particles touching each ___
(a)
Matter exists as three forms
Solid, Liquid , Gas
Solid, plasma,atoms
None of the above
The particles in solid are held ____ in places of attraction.
firmly
weaker forces
freely
None of the above
Should Shahzeb do more tests like this in Future?
Yup
Naa
What is Diifusion
Diffusion is the net movement of anything from a region of higher concentration to a region of lower concentration.
Diffusion is the movement of a substance from an area of high concentration to an area of low concentration.
None of the Above
What is Brownian Motion?
Brownian motion, or pedesis, is the random motion of particles suspended in a medium. It was discovered by Robert Brown!
motion in a straight line.
A type of motion that repeats itself after equal intervals of time
What Causes the Gas pressure ?
Gas pressure is caused when gas particles hit the walls of their container.
Gas pressure is caused when gas particles does not hit the walls of their container.
None of the above.
True or False:
Molecules are made up of atoms that are held together by chemical bonds
True
False
Symbol of Calcium oxide?
CO
Co2
CaO
CO3
Formula of Hydrogen sulfide ?
Br2
F2
Cl2
H₂S
The Alkali Metal consists of ?
lithium (Li), sodium (Na), potassium (K),
rubidium (Rb), caesium (Cs
lithium (Li), sodium (Na), potassium (K),
Oxygen, caesium (Cs)
lithium (Li), sodium (Na), potassium (K),Calcium oxide, Hydrogen
The rows in the Periodic Table are called _____
None of them
Rows
Groups
Periods
The columns in the Periodic Table are called _____
periods
rows
columns
None of them
groups
What is an atom?
inorganic compounds that take the form of discrete molecules
electrically neutral group of two or more atoms held together by chemical bonds.
the smallest unit of ordinary matter that forms a chemical element.
How are sulfur molecules made up?
8 Sulfur atoms joined together
3 Sulfur atoms joined together
2 Sulfur atoms joined together
None of the above
What are Hydroxides?
More than 1 kind of compound
Simple compounds bond tightly together!
None of the above
What is compound in chemistry?
lasting attraction between atoms, ions or molecules that enables the formation of chemical compounds
any substance composed of identical molecules consisting of atoms of two or more chemical elements.
None of the above
Periodic table consists of ____ elements
117
135
119
118
Scientists have discovered ___ different kind of atoms that occur naturally in the universe
96
97
95
None of the above
True or False:
Higher the temperature, higher the gas pressure
True
False
