19,000+ solved questions for JEE Advanced, JEE Mains, NEET & IChO — with answers and expert explanations.
Gypsum on heating to 390 K gives. (RPMT 2010)
The ionic mobility of alkali metal ions is aqueous solution is maximum for (RPMT 2010)
Among the alkali metals, cesium is the most reactive because (RPMT 2010)
The yellow coloured flame is of (MP PMT 2010)
Which of the metal carbonates is decomposed on heating? (MP PMT 2010)
Washing Soda is (MP PMT 2010)
Along the group, size and ionization enthalpy of the group II elements(s) … and … respectively.
The carbonates and hydrogen carbonates of alkali metals are highly stable, their stability
Lithium being very small in size, which …A… a large CO ion leading to the formation of more stable …B.. and …C.. Here A, B and C refer to
Solvay process is used in the preparation of
What will be the product when ammonium chloride is treated with calcium hydroxide?
Potassium is not prepared by Solvay process because …X… is too soluble to be precipitated by addition of ammonium hydrogen carbonate. Here, X refer to
Which of the following is known molecular formula of washing soda?
Which of the following exist as decahydrate?
Above 373K, the monohydrate sodium hydrogen carbonate becomes completely anhydrous and called as
Sea water contain…by mass of the salt (NaCl)
Crude…A… Generally obtained by crystallization of brine solution. Here, A refers to
Which of the following is present as impurity in crude sodium chloride?
Solubility of sodium chloride in 100 g of water at 273 K is
Which of the following is commonly named as caustic soda?
Sodium hydroxide is commercially prepared by
Sodium chloride is prepared by the electrolysis of sodium chloride solution the electrodes used as cathode and anode are respectively.
Which of the following statements(s)is/are correct regarding sodium hydroxide? I. It is white and translucent. II. It melts at 591K. III. It is non-deliquescent IV. It is soluble in water and its aqueous solution is…
Which of the following statement is incorrect regarding use of caustic soda?
Which of the following is used in the preparation of cakes or pastries?