Advertisements
Advertisements
प्रश्न
Name :
a coloured metallic oxide which dissolves in alkalis to yield colourless solutions.
उत्तर
PbO
APPEARS IN
संबंधित प्रश्न
Write the probable colour of the following salt:
Potassium nitrate
Name the probable cation present in each of the following solution:
Light blue coloured solution
Write the colour of the following salt : Calcium salts.
Fill in the blanks.
Salts of ______ [normal / transition] elements are generally coloured. From the ions K1+, Cr3+, Fe2+, Ca2+, \[\ce{SO^2-_3}\], \[\ce{Mn^1-_4}\],\[\ce{NO^1_3}\] the ions generally coloured are ______.
One chemical test that would enable you to distinguish between the following pair of chemicals. Describe what happens with each chemical or state 'no visible reaction'.
Write balanced equation for the following reaction:
Sulphur dioxide and sodium hydroxide solution
(Give the equation for the formation of the normal salt)
Write the observation, and balanced equation for the following reaction:
Moist starch iodide paper is placed at the mouth of a test tube containing chlorine gas.
Name the probable cation present based on the following observation:
White precipitate insoluble in NH4OH but soluble in NaOH.
Colour of an aqueous solution of copper sulphate is ______.
Colour of the precipitate formed on adding NaOH solution to iron (II) sulphate solution is ______.
