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Worksheetsquizziz on basics of science
Total questions: 25
Worksheet time: 17mins
National science day is on
22 feb
23feb
28 feb
26 jan
Father of chemistry
Dalton
Antoine lavoiser
Thomas Edison
Michael Faraday
Ecology is study of
Chemicals
Energy
Environment
Medicines
----------------- is anything which has mass and occupies space
(a)
The word atom comes from Greek word (a)
Which of the following has positive charge?
proton
neutron
electron
Nucleus is nothing but _______________and _________________
(a)
Group of atoms held together by chemical bonds are (a)
(a) is a substance made up of only one kind of atoms
_______________________ always exists indipendently
atoms
elements
molecules
compounds
Stomach contains ________ acid
acetic acid
hydrochloric acid
sulphuric acid
nitric acid
A sample of matter, that has definite physical and chemical properties called
(a)
Branch of science which deals with outer space
computer science
biology
astronomy
history
Raman effect was discovered by
C.V RAMAN
EINSTEIN
NEWTON
GALILEO GALILEI
(a) acid present in lemon
(a) element present in toothpaste
Compared to the charge and mass of proton , an electron has ______________________
same charge and smaller mass
same charge and same mass
opposite charge and smaller mass
opposite charge and same mass
A proton has approximately the same mass as
a neutron
an electron
an alpha particle
a beta particle
The mass of an atom is determined by
neutrons
protons and neutrons
electrons
electrons and neutrons
Almost the entire mass of an atom is concentrated in the
proton
neutron
electron
nucleus
Which of the following set of elements are used as ornaments
H, Au, Hg
Au, Ag, Pt
H, O, N
C, He, S
Identify the homogeneous mixture
salt and sand
oil in water
milk in water
which gas is exhaled during respiration
O2
CO2
CO
H2O
Identify the phenomenon shown in the figure
Sublimation
Condensation
Evaporation
Solidification
Identify the correct option with respect to arrangement of particles in three states of matter
X = Liquid, Y = Solid, Z = Gas
X = Gas, Y = Solid, Z = Liquid
X = Liquid, Y = Gas, Z = Solid
X = Solid, Y = Liquid, Z = Gas
