Classifying Chemical Reactions and Balancing Equations

What is the chemical formula of the yellow powdered sulfur used in the experiment?

• S2

• S6

• S8

• S4

What is the color of the product formed when sulfur reacts with copper?

• Blue

• Green

• Black

• Red

What type of reaction occurs when sodium phosphate reacts with copper(II) nitrate?

• Precipitation

• Decomposition

• Combustion

• Neutralization

Tags

NGSS.MS-PS1-2

What is the color of the precipitate formed when sodium phosphate reacts with copper(II) nitrate?

• Yellow

• Blue

• Green

• White

Tags

NGSS.MS-PS1-2

What color change is observed when bromine water is added to sodium chloride?

• Blue to Green

• Orange to Yellow

• Yellow to Orange

• Red to Blue

Tags

NGSS.MS-PS1-2

What is the characteristic flame color for potassium metal?

• Green

• Purple

• Red

• Blue

What gas is produced when potassium reacts with water?

• Carbon Dioxide

• Oxygen

• Hydrogen

• Nitrogen

Tags

NGSS.MS-PS1-2

What happens to red litmus paper when exposed to the gas produced by heating ammonium carbonate?

• It remains unchanged

• It turns green

• It turns red

• It turns blue

Tags

NGSS.MS-PS1-2

What is the color of the precipitate formed when lead(II) nitrate reacts with potassium iodide?

• White

• Yellow

• Blue

• Red

Tags

NGSS.MS-PS1-2

What is the molecular formula assumed for the paraffin wax in the candle experiment?

• C25H52

• C35H72

• C30H62

• C20H42

Tags

NGSS.MS-PS1-1