Chemistry Quiz

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chemistry 2

Chemistry Quiz

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The most electropositive element is:

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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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Which of the following is not an actinide?

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Which of the following is the strongest base?

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What is the formula for the basic anhydride of Ba(OH)2?

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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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Which gaseous ion in its ground state has the greatest number of unpaired electrons?

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Which of the following ion has smallest radius?

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The element with highest ionization potential from the following is

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

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Eka-aluminum and eka-silicon are known as:

 

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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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The most electronegative element is

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The ionization energy will be maximum for the process

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Select the correct order of 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 radius?

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

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The electron with strong electropositive nature is

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What type of atoms do carbohydrates contain

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

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An electron is known to be in the n = 4 shell and the l = 2 subshell. How many possible combinations of quantum numbers could this electron have?

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A metallic oxide contains 66% of the metal. The equivalent weight of the metal is

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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 specific heat of metal is 0.16, its approximate atomic weight would be

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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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Bassemerisation is  carried out for

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The element which is recovered from the electrolytic process is

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Which one of the following is not a method of concentration of ore?

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The Froth flotation process is used for the concentration  of the ore of

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The two most abundant metals  in the earth crust are

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Which one contains both Calcium and Magnesium

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Natural refractory material used in furnaces is

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The extraction of zinc from zinc blende is achieved by

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The process of isolation of a metal by dissolving the ore in suitable reagent followed by precipitation of metal by a more electropositive metals is called

 

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Highly electropositive metals can not be  commercially  extracted from carbon reduction process at high temperature because these

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The percentage of P2O5 in diammonium phosphate (NH4)2HPO4 is

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Among the sodium halide, NaF has the highest melting point because of

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

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Second electron gain enthalpy is

 

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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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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 is not a representative element?

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Zinc and Cadmium metals do not show variable oxidation states because

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

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

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The atomic numbers of metallic and non-metallic elements which are liquid at room temperature are

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The number of element present in fifth period is

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Which of the following statements is incorrect about the adsorption theory?

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Stress corrosion, fatigue corrosion, and hydrogen embrittlement fall under the category of which type of corrosion?

 

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

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Dry corrosion is

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Corrosion is accelerated by.....

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