Questão 1
Questão
What is the chemical formula of Sodium hydroxide
Responda
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NaOH
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NaHO
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NaOH2
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NaHO2
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NaH2
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Na2H
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HNa3
Questão 2
Questão
What is the chemical formula of Hydrochloric acid
Questão 3
Questão
What is the chemical formula of sulfuric acid
Responda
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HSO3
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NaSO2
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H2SO4
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NaSO
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NaS2
Questão 4
Questão
What is the chemical formula of Methane
Questão 5
Questão
What is the chemical formula of Ammonia
Questão 6
Questão
What is the chemical formula for a Ammonium ion
Responda
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Na2H3-1
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NOH2-3
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NH4+
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Nah2-
Questão 7
Questão
What is the chemical formula for a Hydroxide ion
Questão 8
Questão
What is the chemical formula for a Nitrate ion
Questão 9
Questão
What is the chemical formula for a Carbonate ion
Questão 10
Questão
What is the chemical formula for a Sulfate ion
Responda
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SOH4-3
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SO4-2
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SO2-3
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SOH2-4
Questão 11
Questão
What is the chemical formula for a Phosphate ion
Questão 12
Questão
What is the chemical formula for the Polyatomic ion not included in OH NO CO SO PO 11334
Responda
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NaH4+ and HCO2-
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NaH4+ and HCO3-
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NH4+ and HCO2-
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NH4+ and HCO3-
Questão 13
Questão
what of the following is used in the process of filtration
Responda
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Sifter
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Filter paper
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Heat
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distillation
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sedimentation
Questão 14
Questão
A sand, Iron and Salt mixture is a heterogeneous mixture
Questão 15
Questão
A Mixture of Sand, water and salt is type homogeneous mixture
Questão 16
Questão
A Mixture of water and salt is type homogeneous mixture
Questão 17
Questão
Wet sand is a heterogeneous Mixture
Questão 18
Questão
Which Process do you use to turn salt water into salt crystals
Responda
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Sieving
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Gas Chromatography
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Evaporation
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decanting
Questão 19
Questão
What Process do you use to get soild particles to settle on the bottom so that the liquid can be poured off?
Questão 20
Questão
Which Process is used when mining for gold
Responda
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sieving
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flitration
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evaporation
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gas chromatography
Questão 21
Questão
What is the chemical formula of potassium iodide
Questão 22
Questão
What is the chemical formula of magnesium Oxide
Questão 23
Questão
What is the chemical formula of Potassium nitride