19,000+ solved questions for JEE Advanced, JEE Mains, NEET & IChO — with answers and expert explanations.
A 70 Kg man contain about …X… of Na and …Y… of K. here, X and Y refer to
Gypsum on heating to 390 K gives. (RPMT 2010)
Molecular formula of Glauber’s salt is (JCECE 2010)
Alkali metals have …X… size in a particular period. Here, X refer to
Monovalent ions are …A…than parent atom. Here, A refers to
The formula of soda ash is
Which of the following statement (s) is/are correct? I. Sodium and potassium are found on same sides of cell. II. Sodium and potassium are present on opposite side of cell. III. Sodium is found in blood plasma and …
Which of the following alkaline earth metal sulphates is least soluble in water? (Haryana PET 2010)
Alkali metals show regular trend in their physical and chemical properties with the
All alkaline metals have …A… valence electrons(s). Here, A refer to
The diagonal relationship of elements arises due to the similarity in
The yellow coloured flame is of (MP PMT 2010)
Among the alkali metals, cesium is the most reactive because (RPMT 2010)
Atomic and ionic radii of alkali metals …X… on moving down the group. Here, X refer to
Alkali metals readily …X… electron to give monovalent M+ ion. Here, X refer to
What approximate amount of ATP is used by a resting human in 24 hours?
The ionic mobility of alkali metal ions is aqueous solution is maximum for (RPMT 2010)
Which one of the following is present an an active ingredient in bleaching powder for bleaching action? (AIPMT 2011)
Which of the following compounds has the lowest melting point? (AIPMT 2011)
In context with beryllium, which one of the following statements is incorrect? (NEET 2016)
Which of the following does not belong to alkaline earth metal?
…X and …Y…Shown diagonal similarity. Here, X and Y refer to
In the case of alkali metals, the covalent character decreases in the order, (CBSE AIPMT 2009)
Washing Soda is (MP PMT 2010)
Which of the following shows diagonal relationship?