Metals and acids

Metal + Acid -> ___ + ___

• Salt + Hydrogen

• Metal Hydroxide + Hydrogen

• Metal Oxide + Hydrogen

• Metal Carbonate + Hydrogen

Sodium + Hydrochloric acid ->

• Sodium chlorine

• Sodium chlorine + hydrogen

• Sodium chloride + hydrogen

• Sodium chloride

Lithium + nitric acid ->

• Lithium nitride + hydrogen

• Lithium nitric + hydrogen

• Lithium nitrogen + hydrogen

• Lithium nitrate + hydrogen

How can you test for hydrogen gas?

• sniff it

• squeaky pop test

• add universal indicator

• add lemon water

Metals are good conductor of

• Only heat

• Only electricity

• Heat and electricity both

• None of the above

Tags

NGSS.MS-PS2-3

NGSS.MS-PS3-3

More reactive metal displaces less reactive metal from its salt solution is known as

• Combination reaction

• Displacement reaction

• Neutral reaction

• None of the above

Which nonmetal is very essential for our life is

• Iodine

• Oxygen

• Nitrogen

• Chlorine

Tags

NGSS.HS-LS1-7

What is an ore?

• a solid metal

• a rock containing a metal combined with other elements, often oxygen

• an element

• an object used to row a boat

What is the removal of oxygen from a substance called?

• reduction
• extraction
• electrolysis
• oxidation

What is the addition of oxygen to a substance called?

• decomposition
• reduction
• oxidation
• extraction