metals, non metals, minerals, ores, properties, uses - Category wise Question and Answer Practice Test with Solutions
metals, non metals, minerals, ores, properties, uses PRACTICE TEST [4 - EXERCISES]
set 1
set 2
set 3
set 4
Question : 8
Which of the following statement regarding non-metals is true?
a) Non-metals are non-lustrous with dull apppearence. Graphite, an allotrope of carbon and iodine have shining lustrous surfaces.
b) Non-metals are of two types only solids and gases.
c) Non-metals reacts with oxygen to form basic oxides generally.
d) Non-metals replace hydrogen from acids.
Answer »Answer: (a)
Question : 10
Which of the following is not an ore?
a) Zinc blende
b) Bauxite
c) Malachite
d) Pig iron
Answer »Answer: (d)
Pig iron ⟶ It is the most impure form of iron and contains the highest proportion of carbon (2.5–4%).
Rest all are ore.
Malachite ⟶ Cu(OH)2 CuCO3,
Zinc blende ⟶ ZnS, Bauxite ⟶ Al2O3 2H2O
IMPORTANT general science mcq EXERCISES
set 1 Online Quiz
Click to Start..general science mcq CATEGORIES
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» Measurement And SI Units
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» Measuring Devices And Scales
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» Mechanics (Mass, Force, Acceleration, Work, Energy, Momentum, Velocity)
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» Force Of Gravity, Solids And Fluids
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» Motion Under Gravity
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» Physical Properties Of Materials
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» Light, Heat, Thermodynamics, Wave Motion, Sound, Optics & Oscillations
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» Electric Current And Magnetism
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» Nuclear Physics And Conductivity
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» Modern And Space Physics, Sources Of Energy
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» General Concepts Of Chemistry
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» Nature Of Matter And Composition
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» Atomic Structure Molecules And Nuclear Chemistry
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» Classification Of Elements, Chemical Bonding, Periodicity In Properties & Physical Transformation
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» Metals, Non Metals, Minerals, Ores, Properties, Uses
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» Alloys, Carbon & Its Various Forms, Hydrogen & Compounds, Sulphur, Nitrogen, Halogen & Inert Gases
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» Acids, Bases, Salts And Metals
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» Hydrocarbon, Alcohol, Polymer, Organic Acid And Explosive Substance
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» Fuel, Food Preservation, Nutrition, Medicine, Detergents And Fertilizers
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» Inorganic Chemistry
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» Organic Chemistry
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» Environmental Chemistry
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» Some Important Man Made Materials
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» Sub Divisions Of Biology
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» Genetics, Evolution Of Life & Ecological Biodiversity
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» Taxonomy
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» Heredity
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» Biofertilizer
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» Biological Classification Cell Tissues And Division
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» Human Anatomy
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» Blood Transport System
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» Digestion And Excretion
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» Photosynthesis
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» Vitamins, Nutrition, Health, Disease And Treatment
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» Endocrine Glands, Hormones
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» Physiology Of Plants, Humans And Animals
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» Reproduction
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» Genetic Engineering And Bio Technology
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