S-Block Elements Group 1 and 2-Trends in Physical and Chemical Properties [NEET (NTA)-National Eligibility cum Entrance Test (Medical) Chemistry]: Questions 1 - 7 of 12
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Question number: 1
» S-Block Elements Group 1 and 2 » Trends in Physical and Chemical Properties
Question
Which of the following compounds of alkali metals decompose on heating?
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| Choice (4) | Response | |
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a. |
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b. |
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c. |
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d. |
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Question number: 2
» S-Block Elements Group 1 and 2 » Trends in Physical and Chemical Properties
Question
Which of the following statement is not true regarding the properties of alkali metal?
Choices
| Choice (4) | Response | |
|---|---|---|
a. | Halides and hydrides of beryllium do not polymerize | |
b. | BeO insoluble, but BaSO 4 is soluble in water | |
c. | Alkali earth metals can’t be obtain by chemical reduction | |
d. | BaO is soluble, but BaSO 4 is insoluble in water | |
Question number: 3
» S-Block Elements Group 1 and 2 » Trends in Physical and Chemical Properties
Question
Which pair of following chloride do not impart colour to the flame?
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| Choice (4) | Response | |
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a. |
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Question number: 4
» S-Block Elements Group 1 and 2 » Trends in Physical and Chemical Properties
Question
A metal M readily forms water soluble sulphate water insoluble hydroxide and oxide which becomes inert on heating. The hydroxide is soluble in Then M is?
Choices
| Choice (4) | Response | |
|---|---|---|
a. | Calcium | |
b. | Strontium | |
c. | Beryllium | |
d. | Magnesium | |
Question number: 5
» S-Block Elements Group 1 and 2 » Trends in Physical and Chemical Properties
Question
Which one of the following alkali metal is strong reducing agent?
Choices
| Choice (4) | Response | |
|---|---|---|
a. | k | |
b. | Mg | |
c. | Cs | |
d. |
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Question number: 6
» S-Block Elements Group 1 and 2 » Trends in Physical and Chemical Properties
Question
Which one of the following oxide of alkali metal is used as refractory material?
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| Choice (4) | Response | |
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a. |
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b. |
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c. |
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d. |
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Question number: 7
» S-Block Elements Group 1 and 2 » Trends in Physical and Chemical Properties
Question
Which category of salts of alkaline earth metals is not found in solid state but known in solution?
Choices
| Choice (4) | Response | |
|---|---|---|
a. | Hydroxides | |
b. | Sulphates | |
c. | Bicarbonates | |
d. | Carbonates | |