Recent questions in Chemistry

Tetra ethyl lead is prepared by using an alloy

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The ashes of plants contain alkali-metals and 90% of which is

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Metal used in the detection of nitrogen in organic compound is

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The ratio of volume of the hydrogen liberated at S.T.P when equal amounts of tin reacts with dilute NaOH and conc NaOH.

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Which of the following is the correct order of chemical reactivity with water according to electrochemical series?

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The least basic oxide is

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Which one is highest melting point halide

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A mixture of $Al(OH)_3$ and $Fe(OH)_3$ can be separated by

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Which of the following salts does not form any precipitate with excess of $NaOH$?

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Which of the following alkali metals has the highest tendency for the half reaction? $M(g)\rightarrow M^+(g)+e^-$

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Which of the following has no reaction with water?

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When magnesium burns in steam,the formulae of the products are

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The alkaline earth metal that has greatest affinity for nitrogen is

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Anhydrone is a common name given to :

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Which of the following metal is used in the preparation of Grignard's reagent?

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Which of the following alkaline earth metal hydroxide is amphoteric in nature?

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Lime water contains

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The most basic oxide is

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Which of the following will have highest hydration energy?

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Which of the following fumes in moist air?

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Magnesium is present in

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The amphoteric alkaline earth metal oxide is

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The number of water molecules in hydrated beryllium salt never exceeds

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Electronic configuration in the valency shell of barium is

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The II group metal ion having $6s^2,6p^6$ as outer electron configuration is

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In the manufacture of caustic soda by castner keliner process.The products formed are

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The alkali metal needed for the growth of the plants is

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The metal used in solar cells is

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The least electro positive alkali metal is

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$Li$ shows diagonal relationship with

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Metal which emits photo electrons very easily is

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Chlorine can give highly ionic compound with

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The alkali metal with lowest melting point is

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The alkali metal widely used in photoelectric cells is

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The outer electronic configuration of radio active element present in 1A group is

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The no of valance electrons in potassium atom are

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Most widely occuring alkali metal is

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The alkali metal atom that easily form cation is

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The hardest alkali metal is

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Natron is a mineral whose formula represented

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What is the volume strength of molar solution of hydrogen peroxide

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$2NaOD$ is also known as

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$2Na+2D_2O\rightarrow x+D_2$.The $x$ is

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$2D_2O\quad\underrightarrow{\text{Electrolysis}}\quad A+B$. $A+B$ are

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Production of a green edged flame on igniting the vapours evolved by heating a given inorganic salt with few mL of ethyl alcohol and conc. $H_2SO_4$ indicates the presence of a

asked Jan 26, 2014 by mosymeow_1

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NaCl , NaBr and NaI mixture on heating with conc. $H_2SO_4$ gives gases respectively

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A salt on reaction with dil. $H_2SO_4$ gives a reddish brown gas. The salt is

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A few drops of conc $H_2SO_4$ is added to the solution of $FeSO_4$ in water to

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Which of the following test can be used to distinguish between phenol and cyclohexanol?

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In Lassaigne's test when both N and S are present, blood red colour is due to the formation of

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