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9th Chemistry Glossary Chemistry Terminologies mcqs test
Aziz
June 16, 2021
11:06 am
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1.
.............the energy liberated when an element acquires an electron to form an anion.
Electron affinity
None of them
Electron
Electronegativity
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2.
.............the Branch of analytical chemistry that involves identifying , Elements, compounds and ions in samples of unknown or uncertain
None of them
Qualitative analysis
Quantative analysis
Quantum analysis
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3.
.......... The Process in which a bigger molecule breaks into two or more simoler Units.
None of them
Electrolyte
Electrode
Electrolysis
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4.
...............Water soluble hydroxide of one of the alkali metals.
Acid
None of them
Anode
Alkali
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5.
.........a pure substance that consists of two or more elements chemically combined in fixed proportions .
Covelant bond
Concentration
None of them
Compound
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6.
.............. Solids that have indistinct Shapes , because their particle arrangements lack order.
Alloy
Alpha particles
None of them
Amorphous Solids
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7.
An organic compound containing the CHO group
Element
Aldehyde
None of them
Amalgam
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8.
............. A substance which can accept a proton , H from an acid
Amphoteric substance
None of them
Base
Aufbau principale
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9.
.........a phase change wher by a solid passes directly into the gas phase without melting.
Solution
None of them
Suplimation
Sublimation
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10.
........the State of an atom where all electrons have the minimum energy .
Ground State
Free State
Plane State
None of them
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11.
............ The Smallest particle of an element which can take part in chemical reactions and display the chemical properties of that element.
Atomic Mass
None of them
Matter
Atom
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12.
............the outer most shell of electrons .
Vander shell
Vapour shell
None of them
Valance shell
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13.
............. Group IIA Elements.
Alkali Metals
Allotrope
Alkaline Earths
None of them
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14.
........... In an electrochemical cell or electrolytic cell, the anode is the electrode where oxidation takes place.
Anion
Anode
Atmosphere
None of them
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15.
.........the substance dissolved in a solvent to form a Solution ,its quantity in the solution is always laser.
Solvent
None of them
Solution
Solute
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16.
............. The atomic Number of an element is the number of protons in its nucleus.
None of them
Atomic Mass Number
Atomic Number
Atomic Mass Unit
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17.
.......... The Process in which a bigger molecule breaks into two or more simoler Units.
Distillation
Double bond
None of them
Dissociation
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18.
........... One of the set of seven units on which the SI system is based.
Beta particles
Base
Base Unit
None of them
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19.
.......,...see Daniel cell.
Galvanic Cell
None of them
Gamma rays
Free Cell
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20.
.......... A substance that resists changes in pH when moderate amounts of Acid or base are added.
Calorie
Catalyst
None of them
Buffer
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Chemistry
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