Q.1
The compound insoluble in acetic acid is ..
  • a) Calcium oxide
  • b) Calcium carbonate
  • c)Calcium oxalate
  • d)Calcium hydroxide
Q.2
Portland cement is manufactured by using [ CPMT 1987]
  • a) Lime stone, clay and sand
  • b) Limestone, gypsum and sand
  • c)Limestone, gypsum and alumia
  • d)Limestone, clay and gypsum
Q.3
Which of the following statements is correct for alkaline earth metals? ..[NCERT 1990]
  • a) They are diatomic and forms ions of M2-
  • b) They are highly electronegative elements
  • c) They are monoatomic and form ions of type M+
  • d) They are monoatomic and form ions of the type M2+
Q.4
The first ionization energies of alkine earth metals are higher than those of the alkali metals. This is because... [ MP CEE 1996]
  • a) There is an increase in the nuclear change of the alkaline earth metals
  • b) There is a decrease in the nuclear charge of the alkaline earth metals
  • c) There is no change in the nuclear charge
  • d) None of the above
Q.5
Reaction between acetone and methylmagnesium chloride followed by hydrolysis will give : .... [NEET 2020]
  • a)Tert. butyl alcohol
  • b) Isobutyl alcohol
  • c) Isopropyl alcohol
  • d) Sec. butyl alcohol
Q.6
HCl was passed through a solution of CaCl2, MgCl2 and NaCl. Which of the following compound(s) crystallise(s)? [ NEET 2020]
  • a) Only MgCl2
  • b) NaCl, MgCl2 and CaCl2
  • c) Both MgCl2 and CaCl2
  • d) Only NaCl
Q.7
Enzymes that utilize ATP in phosphate transfer require an alkaline earth metal (M) as the cofactor. M is : [NEET 2019]
  • a) Be
  • b) Mg
  • c) Ca
  • d) Sr
Q.8
Which of the following is an amphoteric hydroxide? [NEET 2019]
  • a) Sr(OH)2
  • b) Ca(OH)2
  • c) Mg(OH)2
  • d) Be(OH)2
Q.9
Which of the following oxides is most acidic in nature ? [NEET 2018]
  • a) BaO
  • b) BeO
  • c) MgO
  • d) CaO
Q.10
Among CaH2, BeH2, BaH2, the order of ionic character is [NEET 2018]
  • a) BeH2 < BaH2 < CaH2
  • b) CaH2 < BeH2 < BaH2
  • c) BeH2 < CaH2 < BaH2
  • d) BaH2 < BeH2 < CaH2
Q.11
The product obtained on fusion of BaSO4 and Na2CO3 is: [ AFMC 2005]
  • a) BaCO3
  • b) BaO
  • c)Ba(OH)2
  • d)BaHSO4
Q.12
Which of the following is used to produce smoke screens? [ AFMC 2005]
  • a) Calcium phosphide
  • b) zinc sulphide
  • c) sodium carbonate
  • d) zinc phosphide
Q.13
Li has the maximum value of ionization potential among the alkali metals i.e. lithium has the minimum tendency to ionize to give Li+ ion. Thus, in aq. solution lithium is .. [ AFMC 2011]
  • a)strong reducing agent
  • b) Poorest reduction agent
  • c)Strongest Oxidizing agent
  • d)Poorest oxidizing agent
Q.14
Among the alkali metals, cesium is the most reactive because .. [ AFMC 2008]
  • a) its incomplete shell is nearest to the nucleus
  • b) it has a single electron in the valance shell
  • c)it is the heaviest alkali metal
  • d)the outermost electron is more loosely bound than the outermost electron of other alkali metals.
Q.15
Calcium Carbide reacts with water to produce ..[ AFMC 2006]
  • a) ethane
  • b) methane
  • c)ethylene
  • d)acetylene
Q.16
Glauber salt is
  • a) MgSO4.7H2O.
  • b) CuSO4.5H2O.
  • c) FeSO4.7H2O.
  • d) Na2SO4.10H2O.
Q.17
A major constituent of Portland cement ( except lime ) is [ CPMT 1980]
  • a)Silica
  • b) Aluminia
  • c)Iron oxide
  • d)Magnesia
Q.18
Calcium cyanamide on treatment with steam under pressure gives NH3 and .. [CPMT 1986]
  • a) Calcium carbonate
  • b) Calcium hydroxide
  • c)Calcium oxide
  • d)Calcium bicarbonate
Q.19
Which of the following is least soluble in water? [ Pb. CET 1988]
  • a) BeSO4
  • b) BaSO4
  • c)CaSO4
  • d)SrSO4
Q.20
Dolomite has the composition ..[Pb CET 1989]
  • a) Kcl . MgCl2 . 6H2O
  • b) Na3AlF6
  • c) CaCO3 . MgCO3
  • d) CaCl2 . MgCl2 . 6H2O
Q.21
Which of the following metal carbonates decomposes on heating? [ MLNR 1985]
  • a)MgCO3
  • b) Na2CO3
  • c)K2CO3
  • d)Rb2CO3
Q.22
Magnesium keeps burning in .. [ AFMC 1987]
  • a) N2
  • b) CO2
  • c)NO2
  • d)N2 as well as CO2
Q.23
Drying agent which reacts with CO2 and removes water vapour is ..[AFMC 1988]
  • a) CaO
  • b) CaCl2
  • c)CaCO3
  • d)Ca(NO3)2
Q.24
Thermal stability of alkaline earth metal carbonates decreases in order ..[ NCERT 1983]
  • a) BaCO3 > SrCO3 > CaCO3 > MgCO3
  • b) BaCO3 > SrCO3 > MgCO3 > CaCO3
  • c) CaCO3 > SrCO3 > MGCO3 > BaCO3
  • d) MgCO3 > CaCO3 > SrCO3 > BaCO3
Q.25
the hydration energy of Mg2+ ions is larger than that of ..
  • a)Al3+
  • b) Na+
  • c)Be2+
  • d)Mg3+
Q.26
of the following the commonly used in a laboratory desiccators is ..[MP PMT 1987]
  • a) Anhydrous Na2CO3
  • b) Anhydrous CaCl2
  • c)Dry NaCl
  • d)None of the above
Q.27
A firework gives out crimson colour light. It contains salt of ..[AFMC 1989]
  • a) Ca
  • b) Na
  • c)Sr
  • d)Ba
Q.28
Plaster of Paris is hardens by ... [ CPMT 1989]
  • a) Giving off CO2
  • b) Changing into CaCO3
  • c) Combining with water
  • d) Giving out water
Q.29
Which one of the alkaline earth metals shows some anomalous behavior and has the same electro negativity as aluminum? [ AIIMS 1985]
  • c)Ca
  • d)Be
  • a)Ba
  • b) Sr
Q.30
Formula for calcium cyanamide is .. [ Roorkee 1998]
  • a) Ca(CN)2
  • b) CaC2N
  • c)CaNCN
  • d)CaCHNH2
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