Science (Chemistry )
Mastering Chemistry: The Ultimate Science Quiz
Welcome to the "Mastering Chemistry" quiz designed to test your knowledge of chemistry fundamentals! From metals and nonmetals to alloys and oxidation, this quiz will challenge your understanding of essential chemistry concepts.
Test your skills with questions covering:
- Conductivity of Metals
- Properties of Nonmetals
- Acidic and Basic Oxides
- Metal Reactivity
Q1:- Which metal is the poorest conductor of electricity?
Iron
Copper
Aluminium
Tungsten
Q2:- Which of the following non metal is lustre in nature ?
Diamond
Iodine
Oxygen
Both Diamond and Iodine
Q3:- Which of the following is a Amphoteric oxide ?
Cao
Pbo
Mgo
None of these
Q4:- when non metal reacts with oxygen, it forms non-metallic oxide like CO2 ,SO2 etc.These are
Mostly Basic in nature
Mostly Acidic in nature
Both Option A and B
None of the above
Q5:- What are alloys ?
Heterogeneous mixture of metals and Non-metals
Homogeneous mixture of metals and non metals
Both Option A and B
None of the Above
Q6:- Bauxite is an ore of
Iron
Aluminium
Mercury
Copper
Q7:- The non-metal which is liquid at room temperature is:
Mercury
Bromine
Carbon
Helium
Q8:- The sulphide ores are converted into oxides by heating strongly in the presence of excess air. This process is known as
Roasting
Smelting
Calcination
Refining
Q9:- Generally, metals are solid in nature. Which one of the given metals is found in liquid state at room temperature?
Na
Fe
Cr
Hg
Q10:- . If copper is kept open in air, it slowly loses its shining brown surface and gains a green coating. It is due to the formation of
CuSO₄
CuCO₃
Cu(NO₃)₂
CuO
Q11:- The ability of metals to be drawn into thin wires is known as
Ductility
Malleability
Sonority
None of these
Q12:-Due to its semiconductor properties the non-metal used in computer, T.V. etc. is
Carbon
Silicon
Bromine
Fluorine
Q13:-Which of the following pair of metals exist in their native state in nature?
Ag and Hg
Ag and Zn
Au and Hg
Au and Ag
Q14:-An element A is soft and can be cut with a knife. This is very reactive to air and cannot be kept in open. It reacts vigorously with water. Identify the element from the following:
Mg
Na
P
Ca
Q15:-Which of the following is an iron ore?
Cinnabar
Calamine
Haematite
Rock salt
Q16:- Which of the following is the correct arrange-ment of the given metals in ascending order of their reactivity?
Zinc > Iron > Magnesium > Sodium
Sodium > Magnesium > Iron > Zinc
Sodium > Zinc > Magnesium > Iron
Sodium > Magnesium > Zinc > Iron
Q17:- Which one among the following is an acidic oxide?
Na2O
CO
CO2
Al2O3
Q18:-The atomic number of an element ‘X’ is 12. Which inert gas is nearest to X?
He
Ar
Ne
Kr
Q19:-Which property of metals is used for making bells and strings of musical instruments like Sitar and Violin?
Sonorousness
Malleability
Ductility
Conductivity
Q20:- Galvanisation is a method of protecting iron from rusting by coating with a thin layer of
Gallium
Aluminium
Zinc
Silver
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