Chemistry Quiz

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chemistry 2

Chemistry Quiz

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Which element exhibits both +1 or +3 oxidation states in its compounds?

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What is the total number of p electrons in a single phosphorus atom in its ground state?

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The set representing the correct order of the first ionization potential is:

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Which of the following is not an actinide?

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Which elements exhibit the greatest number of oxidation states in its compounds?

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Which of the following set is of coinage metal?

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Which one of the following is amphoteric oxide?

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Alkali metals in each period have:

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The metalloid among the following group of elements is:

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What is the total number of the valence electrons in the peroxydisulphate ion?

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Identify the least stable ion amongst the following

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The element with highest ionization potential from the following is

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Select the correct order of ionic radii

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How many unpaired electrons are in a gaseous Fe2+ ion in its ground state?

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Which of the following molecule has higher lattice energy?

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An element having atomic number 56 belongs to which block?

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An element of atomic number 29 belongs to

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Aluminum is diagonally related to

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The correct order of atomic radii is

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Which of the following does not reflect the periodicity of elements?

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Which among the following element has the lowest value of ionization energy?

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Which electronic configuration of neutral atom will have the highest first ionization potential?

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Which of the following has the lowest ionization energy?

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Which of the following has the largest radius?

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The electron with strong electropositive nature is

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In REDOX reaction, the oxidizing agent:

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The vapour density of a gas is 22. Its molecular weight will be.........

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If the equivalent weight of a trivalent metal is 32.7, the molecular weight of its chloride is

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The law of reciprocal proportions can be used to determine.......

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The ratio of the rates of diffusion of a given element to that of helium is 4. What will be the molecular weight of the element?

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The modern atomic weight scale is based on.........

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Aluminium is used as reducing agent in the reduction of

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Silica is added to roasted copper ore during extraction in order to remove

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Copper is extracted from sulfide ore using this method

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Extraction of aluminum from bauxite ore reduction is carried out by

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A mineral is usually associated with a large amount of unwanted material called

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Which one of the following elements is most abundant in the earth crust?

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Which one of the following materials does not contain iron?

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Cinnabar is an ore of

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Which one of the following is not an ore of Aluminium?

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The amount of energy released when an electron is added to its outermost shell of an atom is called

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The second ionization potential of elements is higher than its second ionization potential because

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Ionization enthalpy of an atom is equal to

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The second ionization energy is maximum for

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Elements having highest ionization potential value is

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Which of the following anion has the smallest radius?

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Which of the following pair of elements belongs to the same period?

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The period number and group number of Tantalum (z=73) are respectively

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Choose the correct statement regarding the transition elements.

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According to modern periodic law, the properties of elements repeat at regular intervals when elements are arranged in order of

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Sodium generally does not show an oxidation state of +2, because of its

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Transition metals are not characterized by

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Cold light is emitted in

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When Pt and Zn are electrically connected, which one gets corroded?

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Rusting of iron is an example  of

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The type of corrosion that is very dangerous and difficult to monitor is

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Dry cell is an example of

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Rusting of Iron is enhanced by

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Dry corrosion is

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Corrosion is accelerated by.....

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