S-Block Elements Group 1 and 2-Trends in Physical and Chemical Properties [NEET (2024 Updated)-National Eligibility cum Entrance Test (Medical) Chemistry]: Questions 1 - 7 of 20
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Question 1
Question MCQ▾
Which of the following compounds of alkali metals decompose on heating?
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. |
Question 2
Question MCQ▾
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 BaSO4 is soluble in water | |
c. | Alkali earth metals can՚t be obtain by chemical reduction | |
d. | BaO is soluble, but BaSO4 is insoluble in water |
Question 3
Question MCQ▾
Which pair of following chloride do not impart colour to the flame?
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. |
Question 4
Question MCQ▾
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 5
Question MCQ▾
Which one of the following alkali metal is strong reducing agent?
Choices
Choice (4) | Response | |
---|---|---|
a. | k | |
b. | Mg | |
c. | Cs | |
d. |
Question 6
Question MCQ▾
Which one of the following oxide of alkali metal is used as refractory material?
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. |
Question 7
Question MCQ▾
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 |