Abeka Chemistry Test Part 2

Water containing high concentrations of calcium, magnesium, and iron (II) ions is called:

• Soft water

• Hard water

• Mineral water

• Purified water

Malachite, cuprite, and chalcopyrite are ores of:

• Silver

• Copper

• Iron

• Zinc

Tags

NGSS.HS-PS1-1

Ozone is an allotrope of:

• Hydrogen

• Carbon

• Nitrogen

• Oxygen

The naturally produced noble gas that can diffuse into basements and is linked to cancer risk is:

• Helium

• Neon

• Argon

• Radon

The most reactive of all elements is:

• Oxygen

• Fluorine

• Potassium

• Hydrogen

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

The element produced industrially by steam reforming of natural gas is:

• Nitrogen

• Methane

• Hydrogen

• Oxygen

The semiconductor most commonly used to make computer chips is:

• Germanium

• Copper

• Silicon

• Tin

Tags

NGSS.HS-ETS1-2

Why can sulfuric acid be used to measure the health of the U.S. economy?

• It is a household chemical

• It is used in agriculture

• It is used extensively in industry

• It is used in cleaning

Which of the following is NOT an important nutrient in commercial fertilizers?

• Potassium

• Phosphorus

• Nitrogen

• Oxygen

The compound used as a contrast agent for gastrointestinal x-rays is:

• Calcium carbonate

• Barium chloride

• Barium sulfate

• Sodium iodide