WorksheetsSIP chemistry Quiz 2022
Total questions: 30
Worksheet time: 15mins
In 1805, the English chemist John Dalton published his atomic theory or model, which said:
all substance is made up of tiny particles called matter
the atoms in an element are not identical
atoms are indestructible and cannot be created or destroyed
in compounds, each atom of an element is not always joined to a fixed number of atoms of their elements
To show different atoms, what kind of thing Dalton introduced to represent them?
Names
Symbols
Boiling point
Reaction
First theory about matter from Thales is ...
All matter in the universe is made up of many types of substance.
All matter in the universe is made up of just one type of substance - water.
All mater in the universe is made up of solid.
All matter in the universe is made up of solid, liquid and gas.
"If it decomposes, then it is not an element."
Those invention was discovered by ....
Aristotle
Antonie Lavoisier
Plato
Mendeleev
Calomel's chemical formula is
CaCl2
CaOCl
HgCl2
Hg2Cl2
Who is regarded as the Father of Modern Chemistry?
Rutherford
Lavoisier
Einstein
C. V. Raman
Which gas was released when Bhopal gas tragedy occurred?
Methyl Cyanide
Methyl Nitrate
Methyl Iso Cyanide
Nitrogen Cyanide
In graphite, each carbon atom is bonded to three other carbon atoms -
forming a three-dimensional structure
in the same plane giving a hexagonal array
in the same plane giving a square array
in the same plane giving a pentagonal array
The metal which melts on hand
Bromine
Silver
Gallium
Mercury
Rainbow is the dispersion of
Black light
All the 7 colours
White light
None of the above
What does "malleable" mean?
Can be made into a shape.
Brittle
Ductile
Shiny
ONLY METAL TO BE IN LIQUID STATE IS
TUNGSTEN
LEAD
BROMINE
MERCURY
NONE
Which bond involves "stealing" electrons?
Covalent
Polar Covalent
Ionic
What does the word "polar" refer to?
together, mutually, in common
valence electrons
an atom or molecule with a net electric charge due to the loss or gain of one or more electrons.
To have a positive and negative end like a magnet
What is a valence electron?
An electron that is found in the outermost shell.
An electron found in the middle shell.
An electron found in the innermost shell of an atom
According to the Octet Rule, atoms of elements react with each other in order to attain ____ electrons in their outermost energy level or shell.
2
4
6
8
10
How do can atoms complete the octet rule?
They lose or gain protons
They lose or gain neutrons
They lose or gain electrons in the outer most level
They lose of gain electrons from the inner most level
Anions have a ________ charge.
positve
negative
neutral
Cations have a __________ charge.
positive
negative
neutral
Metals tend to _______________ electrons and form __________ ions. These ions are called ______________.
gain, negative, anions
lose, positive, cations
gain, negative, negatrons
lose, positive, positrons
Formation of a compound through ionic bond ____________ the ionization energy of the metal ion.
Does not depends on
Depend on
Is independent regarding
May or may not depend on
Why do atoms share electrons in covalent bonds?
To increase their atomic numbers
To attain a noble-gas electron configuration
To become more polar
To becomes ions and attract each other
Identify the molecule with a single covalent bond.
CO2
CO
Cl2
N2
WHAT IS ELECTROCHEMISTRY
THE INTERCONNECTION BETWEEN ELECTRICITY AND CHEMISTRY
FORMATION OF ELECTROLYTE
TO CELEBRATE GRACE
ELECTRICITY PASSING THROUGH A CHEMISTRY CLASS
WHAT BEST DESCRIBES GALVANIC CELL?
CHEMICAL REACTION INITIATED BY A FLOW OF CURRENT
A GALVANIZED PRISON CELL
PRODUCES ELECTRICITY VIA A CHEMICAL REACTION
CHICKEN TIKKA
THE ELECTRODES IN ELECTROCHEMICAL CELLS
NOODLES AND CATHODE
ANODE AND CRATES
COTHADE AND ONADE
CATHODE AND ANODE
FARADAY'S LAW CAN BE EXPRESSED AS;
M = ZIF
M = ZQ
M = IT
M = Z - IT
THE ELECTRODES IN THE ELECTROLYTIC CELL ARE CONECTED TO;
A LOAD (E.G. LIGHT BULB)
A BATTERY
A CELLULAR NETWORK
SOCKET
In an electrochemical cell, electrons travel in which direction?
from the cathode to the anode through the external circuit
from the anode to the cathode through the porous cup
from the cathode to the anode through the porous cup.
from the anode to the cathode through the external circuit
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