IXL F1 and F2

When zinc in the battery combines with oxygen in the air, zinc oxide forms. This process generates the electricity that powers the watch

• Zinc is a product

• Zinc is a reactant

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

During photosynthesis, plants use energy from sunlight to make glucose from water and carbon dioxide. In the process of making glucose, plants also create most of the oxygen in the air we breathe.

• Water is a product

• Water is a reactant

Tags

NGSS.MS-LS1-6

Hydrogen peroxide, a household disinfectant, breaks down into water and oxygen gas over time. Light speeds up this process, so hydrogen peroxide is typically stored in a dark-colored bottle. The bottle's dark coloring blocks light and makes the hydrogen peroxide last longer.

• Oxygen is a product

• Oxygen is a reactant

Tags

NGSS.MS-PS1-5

In this process, sodium hypochlorite (NaClO) and ammonia (NH3) combine to form water (H2O), sodium chloride (NaCl), and hydrazine. Which are products?

• Sodium chloride

• Hydrazine

• water

• ammonia

Tags

NGSS.MS-PS1-2

The bacteria form lactic acid (C3H6O3) by combining water (H2O) and lactose (C12H22O11) in the milk. Which are the reactants?

• Lactose

• Lactic acid

• Water

Tags

NGSS.MS-PS1-2

1 molecule of carbon monoxide (CO) reacts with 1 molecule of chlorine (Cl2) to produce some amount of phosgene (COCl2). Number of atoms for product:

• Carbon atoms is 1, Oxygen atoms is 1, Chlorine is 2 atoms for the product

• Carbon atoms is 1, Oxygen atoms is 2, Chlorine is 2 atoms for the product

Tags

NGSS.MS-PS1-1

1 molecule of carbon monoxide (CO) reacts with 1 molecule of chlorine (Cl2) to produce some amount of phosgene (COCl2). How many molecules of COCL2 are formed?

• 1

• 2

• 3

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

1 molecule of hydrogen (H2) reacts with 1 molecule of chlorine (Cl2) to produce some amount of hydrogen chloride (HCl). How many molecules of HCl is formed?

• 1

• 2

• 3

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

2 molecules of ethylene (C2H4) react with 1 molecule of oxygen (O2) to produce some amount of acetaldehyde (C2H4O). How many molecules of C2H4O form?

• 1

• 2

• 3

Tags

NGSS.MS-PS1-5

1 molecule of nitrogen (N2) reacts with 1 molecule of oxygen (O2) to produce some amount of nitric oxide (NO). How many molecules of NO were produced?

• 1

• 2

• 3