24Alkaline metals

Q1.
Which of the following reagent is used as purgative?
📅IOM 2003
Q2.
Anhydrous calcium chloride can be used as
📅IOM 2001
Q3.
Dead burnt plaster is
📅IOM
Q4.
Atomic number of calcium is
📅IOM 2000
Q5.
Slaked lime is
📅IOM 1999
Q6.
Dolomite is the ........ form of magnesium.
📅IOM 1999/1993
Q7.
The setting of plaster of paris is accompanied with.
📅IOM 1996
Q8.
Calcium carbonate on heating in a kiln gives
📅BPKIHS
Q9.
Portland cement does not contain
📅BPKIHS
Q10.
What is the product when: CaSO4·2H2O is heated at 200°C
📅BPKIHS
Q11.
Plaster of Paris is
📅KU 2002
Q12.
Calcium is extracted by the electrolysis of
📅IOM
Q13.
Magnesium burns in air to give
📅IOM 1993•I.E. 2004
Q14.
All of the following components react with water. The pair that yield the same gaseous product is
📅IE
Q15.
Strongest reducing agents among the following is
📅MOE
Q16.
Which of the following ion is likely to have largest hydration energy?
📅KU
Q17.
Chemical name for hydrolith is
📅IE
Q18.
Magnalium is the alloy (mixture) of
📅BPKIHS
Q19.
A colourless salt gives brick red colour in Bunsen flame it may be
📅BPKIHS 2004
Q20.
Dolomite is
📅IOM 1993
Q21.
Alkaline earth metals are
📅MOE - Curriculum
Q22.
Which compound is obtained by passing CO2 gas into the limewater for a long time?
📅MOE 2062
Q23.
CaSO4·2H2O is ....
📅KU 2008
Q24.
What is the % of Ca in CaCO3?
📅KU 2004
Q25.
Thermally most stable alkaline earth metal carbonate is
📅BPKIHS
Q26.
Which is the chemical form of Epsom salt?
📅KU 2003
Q27.
The alkaline earth metal that exhibits apple green colour to the Bunsen flame when introduced in the form of chloride is
📅Indian Embassy
Q28.
Which of the following is the weakest base.
📅KU 2004
Q29.
Which of the following is strongest base
📅I.E. 2007
Q30.
Principle components of limestone is
📅I.E. 2006
Q1.
Which of the following has maximum Ionization energy?
📅Bihar C.E.E. 2002
Q2.
As the alkaline earth metals (except Be) tend to lose their valence electrons readily, they act as
📅Kerala M.E.E. 2002
Q3.
As the nuclear charge increases from neon to calcium, the orbital energies
📅Kerala M.E.E. 2002
Q4.
Alkaline earth metals show typical characteristics of
Q5.
Which of the following statements is/are NOT TRUE about the diagonal relationship of Be and Al?
i. Both react with NaOH to liberate Hydrogen
ii. Their oxides are basic
iii. They are made passive by nitric acid
iv. Their carbides given acetylene on treatment with water
📅Kerala Medical 2006
Q6.
Alkaline earth metals (group IIA elements) differ from group IIB elements in the electronic configuration of their
Q7.
The charge/size ratio of a cation determines its polarizing power. Which one of the following sequences represents the increasing order of the polarizing power of the cationic species: K+, Ca2+, Mg2+, Be2+?
📅A E 2007
Q8.
The set representing the correct order of ionic radius is
📅AIEEE 2009
Q9.
Beryllium and aluminium exhibit many properties which are similar, but the two elements differ in
📅AIIMS 2010
Q10.
Density is the highest for
Q11.
Which of the following is used in producing neutrons?
Q12.
Which of the following is used as a scavenger in metallurgy?
Q13.
In comparison to alkali, alkaline earth metals are
Q14.
Which of the following has lowest oxidation potential?
📅C.P.M.T. 1990
Q15.
Property of the alkaline earth metals that increases with their atomic number is
📅AIPMT 2010•UPCPMT 2010
Q16.
The solubilities of carbonates decrease down the magnesium group due to decrease in
📅AIEEE 2003
Q17.
The right order of solubility of sulphates of alkaline earth metals in water is
📅DPMT 2004•AMU Med. 2010
Q18.
The solubility in water of sulphates down the Be group is Be > Mg > Ca > Sr > Ba. This is due to
📅CBSE 1995
Q19.
The set representing the correct order of first ionization potential is
📅I.I.T. Screening 2001
Q20.
Which one of the alkaline earth metals shows some anomalous behaviour and has the same electronegativity as aluminium?
Q21.
Of the metals Be, Mg, Ca and Sr of group IIA in the periodic table the least ionic chloride would be formed by
Q22.
Which of the following ions forms highly soluble hydroxide in water?
Q23.
The chemical composition of carnallite is
📅EAMCET Engg. 2006
Q24.
Electrolysis of KCl·MgCl2·6H2O gives
📅KCET 1993•KCET 2003
Q25.
Which one of the following processes is used for the manufacture of calcium?
📅IIT JEE 2008
Q26.
The highly efficient method of obtaining beryllium is
Q27.
Metallic magnesium is prepared by
📅BVP Pune 2002•IIT Screening 2002
Q28.
The number of covalent bonds formed by beryllium is
📅Manipal PMT 2001
Q29.
Talc is an ore of
Q30.
The metal that can be extracted from sea water is
Q31.
Which of the following is not an ore of Mg?
📅Karnataka Medical 2006
Q32.
The correct order of increasing ionic character is
Q33.
Magnesium is present in
📅MHT CET 2000•MP PET 2002
Q34.
Which of the following is used as an antacid?
Q35.
Calcium sulphate is sparingly soluble in
📅J&K CET 2007
Q36.
BaSO₄ is water insoluble although it is an ionic compound because of
📅IIT JEE 2007
Q37.
Among the following, the compound that is readily soluble in water is
📅J&K 2011
Q38.
Which of the alkaline earth metal hydroxides is least soluble?
📅J&K CEE 2007
Q39.
Among the following NaOH, Ca(OH)₂, KOH and Zn(OH)₂, the strongest base is
📅Pb PMT 1998
Q40.
Which one of the following is most basic?
📅KCET 1993
Q41.
Among the following the least thermally stable is
📅J&K CET 2009