Great Combinations

Which of the following is a great combination in the field of chemistry for creating a buffer solution?

• Acetic acid and sodium acetate

• Hydrochloric acid and sodium chloride

• Sulfuric acid and sodium sulfate

• Nitric acid and potassium nitrate

What is the great combination of elements that forms water?

• Hydrogen and oxygen

• Carbon and oxygen

• Nitrogen and hydrogen

• Helium and neon

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

Which of the following is a great combination for a galvanic cell?

• Zinc and copper

• Iron and aluminum

• Silver and gold

• Lead and tin

In physics, what is the great combination of forces that results in equilibrium?

• Balanced forces

• Unbalanced forces

• Gravitational force only

• Magnetic force only

Which great combination of vitamins is essential for bone health?

• Vitamin D and calcium

• Vitamin A and iron

• Vitamin C and zinc

• Vitamin E and magnesium

What is the great combination of gases that makes up the Earth's atmosphere?

• Nitrogen and oxygen

• Carbon dioxide and methane

• Helium and argon

• Hydrogen and neon

Which great combination of particles forms a stable atomic nucleus?

• Protons and neutrons

• Electrons and protons

• Neutrons and electrons

• Photons and electrons

Tags

NGSS.HS-PS1-8

What is the great combination of processes that drives the water cycle?

• Evaporation and condensation

• Photosynthesis and respiration

• Erosion and deposition

• Fusion and fission

Tags

NGSS.MS-ESS2-4

Which great combination of planets is known as the 'Gas Giants'?

• Jupiter and Saturn

• Mars and Venus

• Mercury and Earth

• Uranus and Neptune

What is the great combination of cells that forms the human immune system?

• T-cells and B-cells

• Red blood cells and platelets

• Neurons and glial cells

• Muscle cells and fat cells