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2023 G8 Warm up game!
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January's zodiac signs are?
scorpio and cancer
capricorn and aquarius
taurus and libra
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According to Archimede, buoyant force acting on an object immersed in a fluid ....... weight of fluid displaced
equal to
larger than
less than
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How many days are in January?
28
31
30
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What is indicator?
A compound that changes color at a specific pH value or in the presence of a particular substance
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What gas does not cause acid rain?
SO2
H2
NOx
CO2
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List 2 factors that affect to the rate of a reaction.
Concentration, Surface area, Temperature, Catalyst
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January is derived from what city?
Parish
Rome
Washington D.C.
London
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Dissolve salt into water. Water is called...
solvent
solubility
solution
solute
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Which formula is INCORRECT?
n = m : M
M = n x m
n = V : 24.79
m = n x M
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Write the formula to calculate the molar mass of CaCO3.
M(CaCO3) = M(Ca) + M(C) + 3M(O)
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State formula to calculate density of an object.
density = mass : volume
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Dissolve sugar into water. Which is solute?
water
sugar
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Which statement is correct about exothermic reaction?
Instant coldpack is an application of an exothermic reaction
Chemical equation: Reactants + Energy→ Products
Produces a decrease in temperature
Release energy in the form of heat or light
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What kind of oxide is calcium oxide (CaO)?
amphoteric oxide
acidic oxide
neutral oxide
basic oxide
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What is the birthstone of January?
Pearl
Diamond
Garnet
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Janus is the god of what?
beginnings
doorways
endings
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What is the denotation of the number of moles of 1 substance?
n
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In Latin January is for...
Cold
doorway
exit
Janus
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