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MCQs

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Half-life of iron with A=59 (Fe-59) is?
NETNUST Entry TestChemistryReaction Kinetics
Solar energy is stored through solar panels in?
NETNUST Entry TestChemistryReaction Kinetics
Hydration energy increases with
NETNUST Entry TestChemistryPeriodicity in Elements
Who started the development of the First Periodic Table?
NETNUST Entry TestChemistryPeriodicity in Elements
Metals usually produce hydrogen gas with acids. Which of the following produces hydrogen gas with NaOH?
NETNUST Entry TestChemistryPeriodicity in Elements
Hydrogen has properties similar to
NETNUST Entry TestChemistryPeriodicity in Elements
Which group has the coinage metals?
NETNUST Entry TestChemistryPeriodicity in Elements
Which group of elements shows greatest electrical conductivity?
NETNUST Entry TestChemistryPeriodicity in Elements
Covalent hydrides are
NETNUST Entry TestChemistryPeriodicity in Elements
Smallest element in the periodic table is
NETNUST Entry TestChemistryPeriodicity in Elements
Which of following pair has the highest conductivity?
NETNUST Entry TestChemistryPeriodicity in Elements
Element that is not found in free state is
NETNUST Entry TestChemistryPeriodicity in Elements
Which one of the following is acidic?
NETNUST Entry TestChemistryPeriodicity in Elements
Variable valency is shown by which of the following elements?
NETNUST Entry TestChemistryPeriodicity in Elements
Triads were introduced by
NETNUST Entry TestChemistryPeriodicity in Elements
Number of elements in 6th period is
NETNUST Entry TestChemistryPeriodicity in Elements
E.N value of fluorine is :
NETNUST Entry TestChemistryPeriodicity in Elements
Alkali and alkaline metals are basic oxides except:
NETNUST Entry TestChemistryPeriodicity in Elements
Hydrides are:
NETNUST Entry TestChemistryPeriodicity in Elements
Binary compounds of hydrogen are called:
NETNUST Entry TestChemistryPeriodicity in Elements
Hydration energy depends upon:
NETNUST Entry TestChemistryPeriodicity in Elements
Oxidation state of boron, aluminium and gallium is:
NETNUST Entry TestChemistryPeriodicity in Elements
Oxidation state of an element in free state is:
NETNUST Entry TestChemistryPeriodicity in Elements
Which group elements are the least metallic in nature?
NETNUST Entry TestChemistryPeriodicity in Elements
Electron affinity value from higher to heavier elements:
NETNUST Entry TestChemistryPeriodicity in Elements
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