Every Knowledge

General Knowledge: EveryDay Science:

Self Assessment Test

Elements Metals & Compound

QNo.1 Which of the following is the lightest metal

A Lithium

B Mercury

C Silver

D Lead

QNo.2 The most important ore of aluminum is

A Bauxite

B Calamine

C Calcite

D Galena

QNo.3 Diamond is an allotropic form of

A Silicon

B Carbon

C Sulphur

D Germanium

QNo.4 Air is a/an

A Compound

B Element

C Mixture

D Electrolyte

QNo.5 Which of the following is the best conductor of Electricity

A Ordinary water

B Sea water

C Rain water

D None of these

QNo.6 Balloons are filled with

A Helium

B Oxygen

C Nitrogen

D Argon

QNo.7 The most abundant metal in the earth crust is

A Zinc

B Copper

C Aluminium

D Iron

QNo.8 The gas used to extinguish fire is

A Neon

B Nitrogen

C Carbon dioxide

D Carbon Monoxide

QNo.9 The element common to all acids is

A Carbon

B Hydrogen

C Oxygen

D Sulphur

QNo.10 Gober gas contains Mainly

A Methane

B Carbon dioxide

C Butane

D Carbon Monoxide

QNo.11 The most malleable metal is

A Silver

B Gold

C Aluminium

D Sodium

QNo.12 Tetraethyl lead is used as

A Mosquito repellent

B Pain Killer

C Fire extinguisher

D Petrol additive

QNo.13 Which of the following is used in beauty parlors for hair setting

A Chlorine

B Sulphur

C Phosphorus

D Silicon

QNo.14 Which of the following is a non-ferrous metal that remains liquid at room temperature

A Aluminium

B Iron

C Nickel

D Cobalt

QNo.15 Which of the following is a non-metal that remains liquid at room temperature

A Bromine

B Chlorine

C Helium

D Phosphorus

QNo.16 What is laughing gas

A Carbon dioxide

B Sulphur dioxide

C Nitrous oxide

D None of these

QNo.17 Which form of Phosphorus is used in safety matches

A White Phosphorus

B Red Phosphorus

C Yellow Phosphorus

D Black Phosphorus

QNo.18 Stainless steel is an alloy of

A Iron Carbon and nickel

B Iron chromium and zinc

C Iron chromium and nickel

D Iron and mengenese

QNo.19 Which of the following is an element?

A Ruby

B Sapphire

C Emerald

D Diamond

QNo.20 Most Soluble in water is

A Camphor

B Suger

C Sulphur

D Common salt

QNo.21 Sodium metal is kept under

A Water

B Alcohol

C Petrol

D Kerosene

QNo.22 The metal used in storage batteries is

A Iron

B Copper

C Lead

D Tin

QNo.23 Water has maximum density at:

A -1⁰ C

B 0⁰ C

C 4⁰ C

D 100⁰ C

QNo.24 Non stick cooking utensils are coated with

A black paint

B PVC

C Teflon

D Polystyrene

QNo.25 The chemical name for urea is:

A Aneurin

B Chloroethene

C Carbamide

D None of these

QNo.26 Permanent hardness of Water can be remo by adding:

A Potassium

B Chlorine

C Bleaching powder

D Washing soda

QNo.27 Which of the following is used in pencils

A Charcoal

B Silicon

C Phosphorus

D Graphite

QNo.28 Which off the following is the Second most abundant metal in the earth crust.

A Copper

B aluminum

C Iron

D Zinc

QNo.29 Carborundum is

A Silicon dioxide

B Silicon carbide

C Silicon Nitride

D Silicon Phosphide

QNo.30 Glass is made by heating the Mixture silica quartz, soda potash, lead, calcium, cullet and decolouriser in suitable proportions to

A 1000⁰C

B 850⁰C

C 500⁰C

D 1100⁰C

QNo.31 Which of the following is the best conductor of electricity?

A Copper

B zinc

C Silver

D Mica

QNo.32 Washing soda is the common name for

A calcium carbonate

B Calcium. Bicarbonate

C Sodium carbonate

D sodium bicarbonate.

QNo.33 The filament of an electric bulb is made for.

A Iron

B Nichrome

C Tungsten

D Graphite

QNo.34 Bleaching powder is made for

A Sulphur dioxide and gypsum

B Chlorine and Charcoal.

C Soda ash and lime.

D Lime and Chlorine.

QNo.35 The two elements that are frequently used for making transistor are.

A Boron and aluminium

B Silicon and germanium

C Iridium and tungsten

D Niobium and Columbium

QNo.36 Which of the following gasses is not known as greenhouse gas?

A Carbon dioxide

B methane

C Nitrous Oxide

D Hydrogen

QNo.37 Each of the following is not a neutral oxide.

A nitric oxide .

B sulphur dioxide

C water

D Carbon monoxide

QNo.38 Titanium is purified by.

A Zone refilling

B Electrolysis

C Hydraulic Washing

D Van Arkel Method

QNo.39 Which of the following is used in making smoke bomb?

A Sulphur

B phosphorus

C hydrogen

D carbon

QNo.40 Caustic soda is

A NaCl

B Na₂CO₃

C NaOH

D NaHCO₃

QNo.41 Chemical formula for water glass is:

A Na₂SIO₃

B AI₂O₃

C NaAIO₂

D CaSiO₃

QNo.42 Which of the following is not a bleaching agent?

A Sulphur dioxide

B carbon dioxide

C Sodium Hypochlorite

D Carbon dioxide

QNo.43 The gas usually filled in the electric bulb is

A Hydrogen

B Oxygen

C Nitrogen

D Carbon dioxide.

QNo.44 Heavy water is.

A Tritium oxide

B Deuterium oxide

C Rain water

D Water at -4⁰C

QNo.45 Ozone Attacks

A Mercury and Silver

B Copper

C Glass

D None of these

QNo.46 The gases are used in different types of welding would Include.

A Oxygen and Hydrogen

B Oxygen acetylene and argon

C Oxygen and acetrlene

D Oxygen, hydrogen, acetylene and nitrogen

QNo.47 Which of the following alloys is used for making magnet?

A Duralumin

B Stainless steel

C Alnico

D Magnalium

QNo.48 The permanent hardness of water may be removed by the addition of.

A Alum

B Sodium Carbonate

C Line

D Potassium Permanganate

QNo.49 Which of the following is the lightest gas

A Nitrogen

B Hydrogen

C Ammonia

D Carbon dioxide

QNo.50 Potassium nitrate is used in

A Salt

B Glass

C Fertilizer

D Medicine

QNo.51 In which type of rocks are metals like gold and copper mostly found?

A Old Igneous

B Old Sedimentary

C Old metamorphic

D New metamorphic

QNo.52 Which of the following gases is lighter than air?

A Carbon dioxide

B Oxygen

C Ammonia

D Chlorine

QNo.53 Which of the following metals remains in liquid from under normal conditions?

A Uranium

B Radium

C Zinc

D Mercury

QNo.54 Two or more forms of a chemical element having different physical properties but raising to. Identical chemical compounds are. called

A Allotropes

B Isotopes

C Isomers

D Isotones

QNo.55 which of the following is not a compound

A Silica

B Red lead

C Slaked lime

D Black lead

QNo.56 Which of the following is used as a lubricant ?

A Graphite

B Silica

C Diamond

D Iron oxide

QNo.57 The purest from of iron is:

A Steel

B Cast iron

C Pig iron

D Wrought iron

QNo.58 Emerald is ___ in colour

A Violet

B Yellow

C Deep green

D Red

QNo.59 Each of the following metals was first discovered by men.?

A Bronze

B Silver

C Iron

D Copper

QNo.60 Marsh gas is :

A Hydrogen

B Methane

C Nitrogen

D Ethane

QNo.61 Carbon diamond and Graphite are together called?

A Isomers

B Allotropes

C Isomorphs

D Isotopes

QNo.62 Which of the following is called a strategic metal

A Silicon

B Germanium

C Titanium

D Uranium

QNo.63 Soda water contains

A Nitrous acid

B Carbonic acid

C Carbon dioxide

D Sulphuric acid

QNo.64 Which one of the following is the basis of modern periodic table?

A Atomic mass

B Atomic number

C Atomic size

D Atomic volume

QNo.65 brass is an alloy of

A Nickel and copper

B Zinc and copper

C Nickel and zinc

D Nickel and silver

QNo.66 Which element required for solar energy conversion is

A Beryllium

B Silicon

C Tantalum

D Ultra pure carbon

QNo.67 The element nickel is

A Magnetic metal

B Radioactive metal

C Non Magnetic metal

D Complex element

QNo.68 The hardest substance available on earth is

A Platinum

B Coal

C Diamond

D Gold

QNo.69 The ratio of pure gold in 18 carat gold is

A 60%

B 75%

C 80%

D 100%

QNo.70 Which of the following is the most stable element

A Uranium

B Hydrogen

C Oxygen

D Lead

QNo.71 The element found on the surface of the moon is

A Tin

B Tungsten

C Tantalum

D Titanium

QNo.72 Which of the following elements is obtained from sea weeds

A Argon

B Sulpur

C Vanadium

D Iodine

QNo.73 Which gas is used for preparation of soda water?

A Ammonia

B Carbon dioxide

C Hydrogen

D Nitric Oxide

QNo.74 The gas that usually causes explosions in coal mines is

A Hydrogen

B Carbon Monoxide

C Air

D Methane