Metals and Non Metals

Which properties do metalloids have?

• of metals

• of non-metals

• of metals and non-metals both

• none of the above

Non-metal which is liquid at room temperature

• Nitrogen

• Hydrogen

• Bromine

• Carbon

Tags

NGSS.MS-PS1-4

_________ is the only metal which is not malleable

Which of the following are the properties of metal?

• Metals are malleable

• Metals are good insulators of heat and electricity

• Metals are ductile

• Metals are non-lustrous

• All metals are reactive

Which is the most reactive metak of the following?

• Mercury

• Sodium

• Copper

• Gold

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

When a more reactive metal displaces a less reactive metal from its salt solution, the process is called?

• Reactivity series

• Electroplating

• Displacement reaction

• Activity series

What are the methods to prevent corrosion?

• Galvanization

• Metallurgy

• Alloying

• Conductivity

• Electroplating

Which is the hardest non metal

• Carbon

• Bromine

• Diamond

• Graphite

• Iodine

What oxides do metals form?

• Acidic

• Basic

• Acidic and basic both

• none of the above

Metals react with dilute mineral acids to form metal salts and evolve ________ gas