NEET : Alkaline Earth Metals
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Question 1 of 18
1. Question
4 pointsThe thermal stability of alkaline earth metal carbonates MgCO3 , CaCO3 , BaCO3 and SrCO3 decreases as
(A) CaCO3 > SrCO3 > MgCO3 > BaCO3
(B) BaCO3 > SrCO3 > MgCO3 > CaCO3
(C) BaCO3 > SrCO3 > CaCO3 > MgCO3
(D) MgCO3 > CaCO3 > SrCO3 > BaCO3Correct
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Question 2 of 18
2. Question
4 pointsThe element having atomic number 56 belongs to
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Question 3 of 18
3. Question
4 pointsWhich of the following hydroxide is insoluble in water
(A) Be(OH)2 (B) Mg(OH)2 (C) Ca(OH)2 (D) Ba(OH)2
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Question 4 of 18
4. Question
4 pointsMagnesium does not decompose the
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Question 5 of 18
5. Question
4 pointsThe ionic compound BaSO4 is insoluble in water due to
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Question 6 of 18
6. Question
4 pointsAlkaline earth metals belong to the
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Question 7 of 18
7. Question
4 pointsIn the Alkaline earth metals, the element forming predominantly covalent compound is
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Question 8 of 18
8. Question
4 pointsThe property of the alkaline earth metals that increases with their atomic number is
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Question 9 of 18
9. Question
4 pointsWhen burning magnesium ribbon is introduced into a jar of oxygen, it produces
(A) Mg (B) MgO (C) MgO2 (D) Mg2O2
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Question 10 of 18
10. Question
4 pointsA certain metal M is used to prepare an antacid, which is used as a medinine in acidity. This metal accidently catches fire which can not be put out by using CO2 based extinguishers. The metal M is
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Question 11 of 18
11. Question
4 pointsA metal M readily forms its sulphate MSO4 which is water-soluble. It forms its oxide MO which becomes inert on heating. It forms its an insoluble hydroxide M(OH)2 which is soluble in NaOH solution. Then M is
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Question 12 of 18
12. Question
4 pointsThe number and type of bonds between 2 carbon atoms in CaC2
(A) One sigma (σ) and one pi (Π) bond (B) One sigma (σ) and two pi (Π) bond
(C) One sigma (σ) and half pi (Π) bond (D) One sigma (σ) bondCorrect
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Question 13 of 18
13. Question
4 pointsWhich of the following has the lowest solubility
(A) CaF2 (B) CaCl2 (C) CaBr2 (D) CaI2
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Question 14 of 18
14. Question
4 pointsOne mole of magnesium nitrate on the reaction with an excess of water gives
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Question 15 of 18
15. Question
4 pointsIn a line kiln, to get higher yield of CO2 , the measure that can be taken is
(A) To remove CaO (B) To add more CaCO3
(C) To maintain high temperature (D) To pump out CO2Correct
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Question 16 of 18
16. Question
4 pointsDuring extraction of Fe; slag obtained is
(A) FeO (B) FeSiO3 (C) MgSiO3 (D) CaSiO3
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Question 17 of 18
17. Question
4 pointsSlaked lime [Ca(OH)2] is used in the manufacture
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Question 18 of 18
18. Question
4 pointsThomas slag is
(A) CaSiO3 (B) Ca3(PO4)2 (C) MnSiO3 (D) CaCO3
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