Metals and Non-Metals

In this article we are going about Chemistry Lesson:- Metals and Non-metals that can help to prepare for your exam.

Metals and Non-Metals

Q. Metallurgy is the process of:

Ans. extracting the metal from the ore

Q. Calcination is the process of heating the:

Ans. Ore in absence of air

Q. The metal which forms most strong basic oxide is:

Ans. K

Q. Find out the wrong statement:

Ans. Some metals from neutral oxides

Q. The example of metalloid is:

Ans. Sb

Q. Metalloids are those elements which exhibit the properties of:

Ans. both metals and non-metals

Q. The metal which is found in free state in nature:

Ans. Ag

Q. The metal which is the best conductor of heat and electricity is:

Ans. an amalgam

Q. A common metal used for the extraction of metals from their oxides by reduction is:

Ans. Al

Q. Flux is a substance used for:

Ans. removing the unwanted metal oxide or silica

Q. Sulfide ores are usually concentrated by:

Ans. froth flotation

Q. The principle ore of Aluminum is:

Ans. Bauxite

Q. Which of the following id not an ore of Aluminum?

Ans. Azurite

Q. The formula of cryolite is:

Ans. Na₃AIF₆

Q. Aluminum oxide is:

Ans. Amphoteric

Q. For concentration Bauxide ore is:

Ans. Heated with NaOH solution at 150 deg C

Q. Aluminum reacts with NaOH to from:

Ans. Both of sodium meta aluminate and sodium aluminate

Q. When Aluminum is added to KOH:

Ans. H2 is evolved

Q. Brass is:

Ans. an alloy

Q. Malleabitily of a metal that:

Ans. It can be beaten into sheets

Q. Aluminum is a:

Ans. Trivalent metal

Q. The metals;copper and aluminum are found:

Ans. In the combined only

Q. Aluminum oxide is:

Ans. Al₂O₃

Q. Boron is:

Ans. a non-metal

Q. Magnetic ores can be enriched by:

Ans. Magnetic separation

Q. Which of the following metals will not react solution of CuSO4?

Ans. Ag

Q. Non- mental are:

Ans. Insulators of heat and electricity

Q. Metals from:

Ans. positive ions

Q. Non-metals from:

Ans. negative ions

Q. Non metal in reactivity series:

Ans. H

Q. Metal which is liquid at ordinary temperature:

Ans. Hg

Q. Which of the following do not show allotropy?

Ans. K

Q. Soft metal which can be cut with a knife is:

Ans. Gangue

Q. Metal which occurs in native state is:

Ans. Au

Q. Phosphorus has ………….. allotropic forms:

Ans. Two

Q. Which from of Phosphorus is used in safety matches?

Ans. Red phosphorus

Q. Most abundant metal in earth’s crust is:

Ans. Al

Q. Na,K and Ca are extracted by electrolysis of their:

Ans. Chlorides

Q. Lighter gangue particles are washed away and heavier ore particles are left behind in:

Ans. hydraulic washing

Q. In electrolytic refining anode is mode of:

Ans. Thick block of impure metal

Q. Conversion of sulfide ore into oxide by heating in excess of air is called:

Ans. Roasting

Q. Cheaper reducing agent for reduction of metallic oxides is:

Ans. C

Q. Which gas forms a sort of blisters on the surface of Cu on passing through molten Cu:

Ans. SO2

Q. Hematite is ore of:

Ans. Fe

Q. Formula of hematite is:

Ans. Fe₂O₃

Q. blast furnace is used for extraction:

Ans. Fe

Q. In extraction of iron from iron oxide limestone is used as:

Ans. flux

Q. Reduction agent in blast furnace is:

Ans. CO

Q. The flux used in the blast furnace to remove the unwanted impurities is………in nature:

Ans. Basic

Q. Formula of bauxite is:

Ans. Al₂O₃. 2H₂O

Q. The most ductile among the given below is:

Ans. Gold

Q. The sulphide ores are concentrated by the process called:

Ans. Forth flotation process

Q. Copper has:

Ans. low resistance

Q. Steel is a/an:

Ans. Alloy

Q. Which of the following elements is not present in stainless steel?

Ans. Carbon

Q. Brass is an alloy of:

Ans. Copper and Zinc

Q. Common salt is:

Ans. NaCl

Q. Washing soda is:

Ans. Na₂CO₃.10H₂0

Q. Washing soda is ……..in nature:

Ans. Alkaline

Q. Chemical name of baking soda is:

Ans. sodium hydrogen carbonate

Q. In the electrolytic,refining pure metal is deposited at:

Ans. Cathode

Q. Carborundum is:

Ans. Silicon carbide

Q. The strategic metal is:

Ans. Titanium

Q. Hall’s process is associated with the extraction of:

Ans. Al

Q. Potash alum is used as:

Ans. Mordant in dying and printing

Q. The process of depositing a layer of zine on iron articles is known as:

Ans. Galvanising

Q. When Non-metals react with nitrogen they from:

Ans. Covalent bond

Q. Non metals bromine is:

Ans. Liquid

Q. Good conductor of non metal is:

Ans. C

Q. Lustrous non metals is:

Ans. I

Q. Hardest non metal is:

Ans. C

Q. Most abundant non metal in the earth crust is:

Ans. O

Q. Atomic number of Silicon is:

Ans. 14

Q. Sand is:

Ans. SiO₂

Q. Electronic Configuration of Phosphorus is:

Ans. 2,8,5

Q. White phosphorus is generally kept in:

Ans. Water

Q. Formula for Phosphine is:

Ans. PH3

Q. Electronic configuration of sulfur is:

Ans. 2,8,6

Q. Cinnabar is:

Ans. HgS

Q. Frasch process is associated with:

Ans. Sulphur

Q. Vulcanisation of Rubber is done with:

Ans. Sulfur

Q. Choose the correct statement:

Ans. Gold and Silver occur in native state

Q. Choose the false statement:

Ans. Non metals are mainly located in the left side of the periodic table

Q. The composition of stainless steel along with iron is:

Ans. Cr-18,Ni-8%

Q. The metals which are malleable and ductile are:

Ans. Copper and Silver

Q. Choose the correct statement:

Ans. Chemical composition of cryolite is Na₃AlF₆

Q. Electrolytic reduction is carried on in case of:

Ans. Al

Q. Which is the heaviest metal:

Ans. Hg

Q. The lightest metal is:

Ans. Li

Q. Cutting tools are made from:

Ans. Tungsten steel

Q. Which of the following is incorrect?

Ans. Melachite:Cu(OH)₂.2CuCO₃

Q. Pick out the true statement:

Ans. Gold is found in free state

Q. The metal which is protected by its oxides layer is:

Ans. Al

Q. Helium is used in balloons instead of hydrogen because:

Ans. It is non combustible

Q. Purest from of iron is:

Ans. Wrought iron

Q. In stainless steel the metal with Fe is:

Ans. Cr

Q. Concentration of the ore is carried by roasting with is case of:

Ans. Sulfide

Q. The iron produced in the blast furnace is:

Ans. Cast iron

Q. Copper is extracted from its ore by the process represented by the chemical equation:

Ans. CuS+2CuO——2Cu+SO₂

Q. The nature of the produced formed when sodium oxide dissolves in water is:

Ans. Basic

Q. When Cl₂ is passed over slaked lime,which of the following substance is formed:

Ans. Bleaching powder

Q. Frasch process is used for mining of the following:

Ans. Sulfur

Q. The constituents of stainless steel are:

Ans. Fe,Ni,Cr

Q. Brass is an alloy of:

Ans. Copper and Zinc

Q. White phosphorus is generally kept in:

Ans. Water

Q. When copper sulfate is roasted in air we get:

Ans. CuO and SO₂

Q. In blast furnace the reducing agent used is:

Ans. C

Q. Which of the following pairs will give displacement reactions?

Ans. AgNO₃ solution and copper metal

Q. Which of the following methods is suitable for preventing an iron frying pan from rusting:

Ans. Applying grease, Applying paint, Applying a coating of zinc

Q. An element reacts with oxygen to give a compound with a high melting point. This compound is also soluble in water.The element is likely to be:

Ans. Calcium

Q. Food cans are coated with tin and not with zine because:

Ans. Zinc is more reactive then tin