A
B
C
D
Text Solution
Verified by Experts
The correct Answer is:
|
Topper's Solved these Questions
THE S-BLOCK ELEMENTS
NCERT FINGERTIPS|Exercise NCERT Exemplar|21 VideosView PlaylistTHE P-BLOCK ELEMENTS
NCERT FINGERTIPS|Exercise Assertion And Reason|15 VideosView PlaylistTHERMODYNAMICS
NCERT FINGERTIPS|Exercise Assertion And Reason|15 VideosView Playlist
NCERT FINGERTIPS-THE S-BLOCK ELEMENTS-Assertion And Reason
- Assertion: Elements of group 1 are called 'alkali metals'. Reason: A...
03:18
|
Playing Now - Assertion: Lithium resembles magnesium diagonally placed in next group...
Text Solution
|
Play - Assertion: Alkali metals are obtained by electrolysis of molten salt a...
Text Solution
|
Play - Assertion: Lithium salts are mostly hydrated. Reason: The hydration ...
02:46
|
Play - Assertion: The melting and boiling points of the alkali metals are low...
Text Solution
|
Play - Assertion: Lithium fluoride is most covalent in nature. Reason: Smal...
Text Solution
|
Play - Assertion: The carbonate of lithium decomposes easily on heating. Re...
Text Solution
|
Play - Assertion : Super-oxides of alkali metals are para-magnetic. Reason ...
02:05
|
Play - Assertion: Be and Mg do not impat characteristic colour to the flame. ...
03:04
|
Play - Assertion: The fluorides of alkaline earth metals are relatively less ...
02:49
|
Play - Assertion: Be is readily attacked by acids. Reason: Be shows diagona...
05:36
|
Play - Assertion: Alkaline earth metal oxides are quite stable to heat. Rea...
02:21
|
Play - Assertion: BeSO(4) and MgSO(4) are insoluble in water. Reason: Be^(2...
02:03
|
Play - Assertion: CaCO(3) is prepared by passing carbon dioxide gas through s...
02:13
|
Play - Assertion: For biological functions in human body, barium is not requi...
04:30
|
Play