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Worksheetschemistry best quizzes for people who dont study
Total questions: 20
Worksheet time: 13mins
Do you like science`
YESS
NOO
OBVIOUSLY NOT
DONT CARE
how to speed up a reaction
increase temperature
increase surface area
increase concentration
all of the above
how many electrons are in a silicon atom
13
12
14
dont care
An atom has 16 neutrons and 15 electrons what is the name and nucleon number
(a)
which catalyst is present in our saliva
salivary amyllase
salivary amylase
salivary amyilase
salivary amyiase
iron + sulfur --> iron sulfide
from that word equation, the reactant(s) is/are ....
iron
iron and sulfur
sulfur
iron sulfide
What is the meaning of the rate of reaction?
Decrease in amount of product
Decrease in amount of product against time
Increase in amount of products against time
Increase in amount of reactants against time
Which process has the highest rate of reaction?
Rusting
Respiration
Combustion
Photosynthesis
What is the smallest unit of matter? It is composed of protons and neutrons, held together in the nucleus, and electrons around the nucleus in different electron orbitals, which form an electron cloud.
cell
nucleus
atom
electron
What is a subatomic particle with a positive charge that is in the nucleus of an atom?
neutron
proton
electron
valence electron
Metal + water ---> metal hydroxide + hydrogen
Metal + water ---> metal hydroxide + hydrogen
do y'all want to win the quiz
no
dont care
obviouly not
YESS
Able to be drawn into wire is
malleable
insulator
luster
ductile
What is the chemical nature of rust?
iron (II) oxide
hydrated iron (II) oxide
iron (III) oxide
hydrated iron(III) oxide
When a metal reacts with water what gas is produced?
Nitrogen
Carbon dioxide
Hydrogen
Helium
What are the reactants if sodium hydroxide and hydrogen are made?
Sodium + oxygen
Sodium + hydrochloric acid
Sodium + sulfuric acid
Sodium + water
Are you so dumb
you talk to ruhaan
you are a student of dhyey
you are emotionally damaged
