Metals and Non - Metals
Description: Properties of metals and non metals | |
Number of Questions: 35 | |
Created by: | |
Tags: Metals and non metals Science Uses of Metals and Non-Metals Reactions of Metals and Non-Metals with Oxygen and Water Physical Differences Between Metals and Non - Metals |
When a copper vessel is exposed to moist air, a green coating is formed on its surface. What chemical compounds are present in that coating?
What is the positive ion formed by a metal called?
Name a metal that forms metal oxide and can be used in fireworks.
Metals will burn with oxygen to form metal oxides. This property makes a metal to be used in fireworks.
Which of the given compounds cannot be categorized as a matrix?
What is the main application of the minerals pitchblende or uraninite?
Name the evolved gas in the given experiment.
In an experiment, a wet rocksil wool is placed at the bottom of a boiling tube, then a magnesium ribbon is inseted into the tube and heated over a burner. We can notice that a colourless gas is given out, which burns with a pop sound.
Which among the given properties makes metals more attractive for making jewellery and coins?
Which of the following statements about a solid substance 'mineral' is not correct?
Which of the given processes will result in the loss of shine of some metals in the presence of air and water?
What are the reddish brown precipitates found at the bottom of the beaker, when a beaker containing copper sulphate solution and a few iron nails is left for sometime?
Which of the following compounds does not react with water or steam to liberate hydrogen?
Which metal is the best conductor of heat and electricity?
Which of the following is the only non metallic liquid element that appears reddish brown in colour?
Which of the given minerals is used to neutralise the acidity of soil and to refine sugar?
Which of the given properties of the aluminium metal is applied in making aluminium foils to wrap food items?
Why pure gold is always alloyed with other metals?
Which of the given metals is a good reflector of light?
Which of the given non metals cannot be categorized to the group insulators?
Which of the given metals is not required for transmitting electrical impulses along nerves and for muscle contraction?
Which gas is liberated during the vigorous reaction of sodium metal with water at room temperature?
Which of the given non metals has an important activity in the vulcanization process of rubber?
What is the process of dipping an iron article in molten zinc to form a protective coating of zinc called?
Which of the following polymers are prepared from the second most abundant substance in the Earth's crust?
Which of the following is a compound of silicon and carbide used for manufacturing tools for grinding purpose?
Which of the given metals is used in making pigments, such as red chrome and yellow chrome?
Why is sodium metal stored under kerosene?
Which of the given metals do not burn in air but can form a deposit of oxide layer on its surface?
Which of the given metals can form verdigris in reaction with oxygen and carbon dioxide present in air?
Which of the given non metals can act as an explosive material in coal mining, when mixed with carbon dust in liquid state?
What is the reason for this?
Lead can float on the surface of mercury.
Which of the following is the only non-sonorous metal occurring in solid state?
Which of the following compounds is present in the green coating verdigris?
Which of the following is the alloy of aluminium, nickel, cobalt, which is used for making magnets?
What is the reason for this?
When a magnesium ribbon and a copper wire are wound around iron nails in two test tubes named A and B respectively, then the tubes are left exposed to air for a few days, we notice that the iron nail in tube A does not rust but it rusts in the tube B.