Chem module - 1

Question 1

What is the chemical formula of Sodium hydroxide

Accepted Answer

NaOH

Answer

NaHO

Answer

NaOH2

Answer

NaHO2

Answer

NaH2

Answer

Na2H

Answer

HNa3

Question 2

What is the chemical formula of Hydrochloric acid

Accepted Answer

HCl

Answer

HCl2

Answer

HO3

Answer

H2O4

Answer

HNaO2

Question 3

What is the chemical formula of sulfuric acid

Accepted Answer

H2SO4

Answer

HSO3

Answer

NaSO2

Answer

NaSO

Answer

NaS2

Question 4

What is the chemical formula of Methane

Accepted Answer

CH4

Answer

CH2

Answer

ClH2

Answer

HCl

Answer

ClOH2

Question 5

What is the chemical formula of Ammonia

Accepted Answer

NH3

Answer

NH2

Answer

NaH2

Answer

OH3

Answer

NaH2O4

Question 6

What is the chemical formula for a Ammonium ion

Accepted Answer

NH4+

Answer

Na2H3-1

Answer

NOH2-3

Answer

Nah2-

Question 7

What is the chemical formula for a Hydroxide ion

Accepted Answer

OH-

Answer

O2H-

Answer

H2O3-2

Answer

HO+

Question 8

What is the chemical formula for a Nitrate ion

Accepted Answer

NO3-

Answer

N2O-

Answer

NaO-

Answer

NaO3-2

Question 9

What is the chemical formula for a Carbonate ion

Accepted Answer

CO3-2

Answer

CO3-

Answer

CH2-

Answer

CH3-3

Question 10

What is the chemical formula for a Sulfate ion

Accepted Answer

SO4-2

Answer

SOH4-3

Answer

SO2-3

Answer

SOH2-4

Question 11

What is the chemical formula for a Phosphate ion

Accepted Answer

PO4-3

Answer

PO3-

Answer

PH2-

Answer

PH2-4

Question 12

What is the chemical formula for the Polyatomic ion not included in OH NO CO SO PO 11334

Accepted Answer

NH4+ and HCO3-

Answer

NaH4+ and HCO2-

Answer

NaH4+ and HCO3-

Answer

NH4+ and HCO2-

Question 13

what of the following is used in the process of filtration

Accepted Answer

Filter paper

Answer

Sifter

Answer

Heat

Answer

distillation

Answer

sedimentation

Question 14

A sand, Iron and Salt mixture is a heterogeneous mixture

Accepted Answer

true

Question 15

A Mixture of Sand, water and salt is type homogeneous mixture

Accepted Answer

false

Answer

true

Question 16

A Mixture of water and salt is type homogeneous mixture

Accepted Answer

true

Question 17

Wet sand is a heterogeneous Mixture

Accepted Answer

false

Answer

true

Question 18

Which Process do you use to turn salt water into salt crystals

Accepted Answer

Evaporation

Answer

Sieving

Answer

Gas Chromatography

Answer

decanting

Question 19

What Process do you use to get soild particles to settle on the bottom so that the liquid can be poured off?

Accepted Answer

Sedimentation or decanting

Answer

separating funnel

Answer

sieving

Answer

filtration

Question 20

Which Process is used when mining for gold

Accepted Answer

sieving

Answer

flitration

Answer

evaporation

Answer

gas chromatography

Question 21

What is the chemical formula of potassium iodide

Accepted Answer

KI

Answer

KI2

Answer

K2I

Answer

KI3

Question 22

What is the chemical formula of magnesium Oxide

Accepted Answer

MgO

Answer

MgO2

Answer

MgH2

Answer

MgH3

Question 23

What is the chemical formula of Potassium nitride

Accepted Answer

K3N

Answer

K2N2

Answer

KN3

Answer

KN

Siguiente

Chem module - 1

Descripción

Resumen del Recurso

Pregunta 1

Pregunta 2

Pregunta 3

Pregunta 4

Pregunta 5

Pregunta 6

Pregunta 7

Pregunta 8

Pregunta 9

Pregunta 10

Pregunta 11

Pregunta 12

Pregunta 13

Pregunta 14

Pregunta 15

Pregunta 16

Pregunta 17

Pregunta 18

Pregunta 19

Pregunta 20

Pregunta 21

Pregunta 22

Pregunta 23

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	Creado por Luke Walker hace alrededor de 5 años