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Alkaline Earth Metals an..



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Q1. With which of the following elements magnesium does not form an alloy?

(a) manganese
(b) aluminium
(c) zinc
(d) barium

Q2. Which of the following is a component of milk of magnesia?

(a) magnesium oxide
(b) magnesium sulphate
(c) magnesium hydroxide
(d) magnesium chloride

Q3. The reduction potential of alkaline earth metals is ___________ alkali metals.

(a) may be equal to
(b) greater than
(c) less than
(d) equal to

Q4. Can beryllium hydride be prepared by combining with hydrogen through Heating?

(a) Yes
(b) No
(c) Maybe
(d) May not be

Q5. Which of the following is the best route to prepare BeF2?

(a) thermal decomposition of BeF2
(b) thermal decomposition of beryllium
(c) thermal decomposition of (NH4)2BeF4
(d) thermal decomposition of Barium sulphate

Q6. Powdered beryllium burns in order to give ___________

(a) barium sulphate
(b) beryllium chloride
(c) beryllium nitride
(d) beryllium hydride

Q7. What is the colour of barium?

(a) brick red
(b) crimson
(c) apple green
(d) blue

Q8. Which of the following order is correct with respect to the hydration enthalpy?

(a) B > Mg > Ca < Sr > Ba
(b) Be+2 > Mg+2 > Ca+2 > Sr+2 > Ba+2
(c) B > Mg < Ca > Sr > Ba
(d) B > Mg > Ca > Sr < Ba

Q9. How many electrons do group 2 elements have in their S orbital of the valence shell?

(a) 1
(b) 2
(c) 3
(d) 4

Q10. Which of the following is not an alkaline earth metal?

(a) beryllium
(b) boron
(c) aluminium
(d) calcium


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Reaction Of PCl3 And PhMgBr Would Give

Modified 364 Year Ago

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364 Year Ago

Reaction Of PCl3 And PhMgBr Would Give

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Zinc And Cold Dil.HNO3 Reacts To Produce

Modified 364 Year Ago

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Zinc And Cold Dil.HNO3 Reacts To Produce

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447 views

Master’s In Communication Program

Modified 282 Year Ago Rohandavid

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Rohandavid
282 Year Ago

Master’s In Communication Program

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Hydrogen Can Be Prepared By The Action Of Dil.

Modified 234 Year Ago

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Hydrogen Can Be Prepared By The Action Of Dil.

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Which Statement Is Not True About Potash Alum?

Modified 307 Year Ago

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307 Year Ago

Which Statement Is Not True About Potash Alum?

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Carbogas Is A Mixture Of

Modified 202 Year Ago

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Carbogas Is A Mixture Of

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The Number Of Hydrogen Atoms Attached To Phosphorus Atom In Hypochlorous Acid Is:

Modified 303 Year Ago

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303 Year Ago

The Number Of Hydrogen Atoms Attached To Phosphorus Atom In Hypochlorous Acid Is:

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