19,000+ solved questions for JEE Advanced, JEE Mains, NEET & IChO — with answers and expert explanations.
What will be the product when ammonium chloride is treated with calcium hydroxide?
The solubilites of Na2SO4, BeSO4, MgSO4 and BaSO4 will follow the order (AMU 2010)
In aqueous solution, the most stable sulphate is (CPMT 2010)
The hightly reactive alkali metals are kept in (CPMT 2010)
Washing Soda is (MP PMT 2010)
Which of the metal carbonates is decomposed on heating? (MP PMT 2010)
The yellow coloured flame is of (MP PMT 2010)
Among the alkali metals, cesium is the most reactive because (RPMT 2010)
The ionic mobility of alkali metal ions is aqueous solution is maximum for (RPMT 2010)
Gypsum on heating to 390 K gives. (RPMT 2010)
Epsom salt is (RPMT 2010)
Molecular formula of Glauber’s salt is (JCECE 2010)
Magnesium reacts with an element (X) to form an ionic compound. If the ground state electronic configuration of (X) is 1s2 2s2 2p3, the simplest formula for this compound is (NEET 2018)
Which of the alkali metal chloride (MCl) forms its dihyrate salt (MCl.2H2O) easily? (Odisha NEET 2019)
Which of the following is correct metals regarding least and most powerful reducing agent among alkali metals?
Alkali metals dissolve in liquid ammonia and produces
Choose the correct statements(s) among the following. I. Alkali metal is highly reactive. II. Alkali metal has lowest ionization enthalpy among their respective period. III. Ionization energy of alkali metals incre…
Which of the following element(s) is used as useful electrode(s) in photoelectric cells?
Alkali metals can be detected by their respective …A… Here, A refer to
Choose the correct option from the codes given below regarding elements and their characteristics colour given in Column I and II of the following table. Column I Column II A. Li 1. Crimson red B. Na 2. Yellow C. K 3.…
The alkali metals and their salts show characteristics colour to
The low melting point of alkali is due to
Along the group in alkali metals the density
Which of the following choice(s) represents(s) physical properties of alkali metals?
Which of the following metal salt is mostly hydrated?