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Chemistry Quiz

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Chemistry Quiz

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Select the correct order of electronegativity(E.N)

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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 of the following is the strongest base?

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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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Europium belongs to:

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Lattice energy of an ionic compound depends upon:

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Alkali metals in each period have:

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Which set of orbitals is listed in the sequential order of filling in a multi-electron atom?

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Identify the least stable ion amongst the following

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Which of the following is the smallest cation?

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Which of the following has lowest ionization enthalpy?

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Which of the following ion has smallest radius?

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Which of the following has largest size

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According to modern periodic law, variations in the properties  of elements are related to their

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Aluminum is diagonally related to

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The most electronegative element is

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Which of the following has highest atomic radius?

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The ionization energy will be maximum for the process

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Which of the following is isoelectronic with carbon atom?

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Of the element given, which has the lowest ionization energy?

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Which of the following has the lowest ionization energy?

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Which of the following has the largest atomic size?

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Which of the following has the largest radius?

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Which of the following pair of atomic numbers represents s-block elements?

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Which of the following sets of ions represents a collection of isoelectronic species?

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Which ion is not isoelectronic with O²-?

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All of the following are true with respect to carbonyls EXCEPT:

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

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Which one of the following pairs of compounds illustrates the law of multiple proportions?

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In which of the following metallurgy, no reducing agent is required from outside?

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Copper is extracted from sulfide ore using this method

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Rutile is separated from chalcopyrite by

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Electromagnetic separation is used for the concentration of

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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 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 extraction of zinc from zinc blende is achieved by

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The amount of zinc (atomic weight 65) required to produce 224ml of H2 at STP on treatment with dilute H2SO4 will be

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Which of the following compound has a positive enthalpy of solution?

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Which of the following is different from the other three oxides?

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The hydration energy of Mg²+ ions is lesser than that of

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

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Which of the following anion has the smallest radius?

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Which of the following metals is the highest electropositive in nature?

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Transition metals are not characterized by

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The nucleus of an element contains 9 protons. Its valency would be

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In the periodic table, the metallic character of elements shows one of the following trend

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The number of element present in fifth period is

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Which of the following is used as a catalytic promoter?

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Zincification involves ........................metal.

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In which of the following combinations of galvanic cells, the rate of corrosion of magnesium is highest in

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Rusting of iron is an example  of

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During electro galvanizing technique, which metal is used to protect steels against corrosion?

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In galvanic series, Which metals are most passive?

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Corrosion is accelerated by.....

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