question_answer1) Sodium
forms peroxide while lithium gives monoxide.
question_answer2) Solutions
of alkali metals in liquid ammonia are blue as well as conducting.
question_answer3) Sodium metal can be used to dry diethyl ether but not ethyl alcohol.
question_answer7) Lithium
iodide is more covalent than lithium fluoride.
question_answer8) Standard
solution of sodium hydroxide cannot be prepared by weighing.
question_answer9) Sodium salts in aqueous solution are either neutral or alkaline in nature.
question_answer11) Sodium
fire in the laboratory should not be extinguished by pouring water.
question_answer12) Table
salt becomes wet in rainy season.
question_answer13) Beryllium
chloride fumes in air.
question_answer15) Magnesium
oxide is used as a refractory material.
question_answer16) \[M{{g}^{2+}}\]
ion is more highly hydrated than \[N{{a}^{+}}\] ion.
question_answer19) \[N{{a}_{2}}S{{O}_{4}}\]
is water soluble while \[BaS{{O}_{4}}\] not.
question_answer20) \[Mg{{(OH)}_{2}}\]
is a weaker base than NaOH.
question_answer21) A
piece of burning Mg keeps on burning in a jar of sulphur dioxide.
question_answer25) Group
2 metals (Mg and Ca) are harder and denser than group 1 metals (Na and K).
question_answer26) Hydrated magnesium chloride cannot be dehydrated by heating.
question_answer30) Which out of sodium or potassium has
higher melting point?
question_answer32) Why alkali metals impart colour
to the flame?
question_answer33) Why can cesium he used in
photoelectric cell while lithium cannot?
question_answer35) Sodium fire in the laboratory
should not be extinguished by pouring water. Why?
question_answer38) Why alkali metals are normally
kept in kerosene oil?
question_answer39) What makes lithium to show
properties uncommon to the rest of the alkali metals?
question_answer41) Why does table salt get wet in
rainy season?
question_answer49) Why \[BaS{{O}_{4}}\] is
insoluble whereas \[BeS{{O}_{4}}\] is soluble in water?
question_answer50) What is the difference between
milk of lime and lime water?
You need to login to perform this action.
You will be redirected in
3 sec
