WorksheetsMetals and non metals
Total questions: 35
Worksheet time: 18mins
Sodium is very reactive metal because it reacts vigorously with oxygen and water and
Generate heat
Catches fire
Stored in kerosene
All of the above
Non-metal used in water purification process
Oxygen
Nitrogen
Chlorine
Iodine
Name the gas evolved when magnesium reacts with dilute hydrochloric acid.
Chlorine
Oxygen
hydrogen
Nitrogen
Oxides of metals are __________ in nature.
Basic
Acidic
None of these
6)Generally, non-metals react with acids
True
False
5) Metals are __________________ conductors of heat and ______________.
Good, electricity
Poor, electricity
Poor, no electricity
None of the above
4. Which of the following statements is correct?
All metals are ductile
All non-metals are ductile
Generally, metals are ductile and malleable
Some non-metals are ductile
When metals react with water then
Hydrogen gas is formed
None of these
Carbon dioxide gas is formed
metals do not react with water
When zinc reacts with dilute sulphuric acid, a salt is formed with the release of a gas. The gas produced during this puts off a burning candle with a pop sound. The gas evolved during this reaction is:
hydrogen sulphide
oxygen
sulphur dioxide
hydrogen
Metals like zinc and aluminium react with sodium hydroxide to produce ____ gas.
hydrogen
oxygen
hydrogen sulphide
sulphur dioxide
Food cans are coated with tin and not with zinc because:
Zinc is less reactive than tin
Zinc is costlier than tin
Zinc is more reactive than tin.
Zinc has a higher melting point than tin
A reaction in which a more reactive metal replaces a less reactive metal from its salt solution is called a/an ________ reaction.
displacement
double displacement
combination
addition
When MgO is dissolved in water, Mg(OH)2 is obtained. The solution thus obtained is ___ in nature.
amphoteric
alkaline or basic
acidic
neutral
Which of the following metals catch fire on reaction with air?
Magnesium
Manganese
Potassium
Calcium
Which Of The Following Statement Is Or Are Incorrect?
Sodium reacts with water and hydrogen gas is liberated.
Magnesium reacts rapidly only the hot boiling water or steam.
Sodium metals reacts violently even with cold water.
Sodium metal is always stored under the hot water.
When non-metals react with water then
Hydrogen gas is formed
Carbon dioxide gas is formed
Non-metals do not react with water
None of these.
All metals are solids except
Sodium
Calcium
Mercury
Hydrogen
Materials around us can be classified into
Metals and non-metals
Acids and bases
Elements and compounds
None of these.
Identify the non-metal which exists in a liquid state in room temperature 25∘C.
Aluminium
Mercury
Iodine
Bromine
Sodium metal is dipped in which of the following substances for storage?
petrol
kerosene
sulphuric acid
vaseline
What is the property that makes metals shine called?
Malleability
Ductility
Sonorous
Lustre
Pick the odd one from the following elements.
Carbon
Platinum
Potassium
Gold
A substance is said to be sonorous if it _________.
conducts heat
conducts electricity
conducts water through metal pipe
produces a ringing sound when beaten
Which of the following can be beaten into thin sheets?
Zinc
Sulphur
Phosphorus
oxygen
The property by which metals can be beaten into sheets is known as _________________
ductility
sonority
lusture
malleability
Which of the following is true of all metals?
They react with acids to form Hydrogen
They are denser than water
They conduct electricity
They're silver in colour.
A metal high in the reactivity series.....
Forms unstable compounds.
Can be obtained by the reduction of the ore with the carbon.
Readily gains electrons.
Burns to form basic oxides.
Reacts readily with cold water to form Hydrogen.
