19,000+ solved questions for JEE Advanced, JEE Mains, NEET & IChO — with answers and expert explanations.
The formula of soda ash is
Which of the following is commonly named as caustic soda?
Sodium hydroxide is commercially prepared by
Solubility of sodium chloride in 100 g of water at 273 K is
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 exist as decahydrate?
Above 373K, the monohydrate sodium hydrogen carbonate becomes completely anhydrous and called as
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?
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?
Which of the following statement is incorrect regarding use of caustic soda?
A 70 Kg man contain about …X… of Na and …Y… of K. here, X and Y refer to
The carbonates and hydrogen carbonates of alkali metals are highly stable, their stability
The correct trend of melting point and boiling point of alkali metal halides
Low solubility of LiF in water is due to …A… Here, A refer to
Choose the correct statement/statement out of the following (a) f H always became less negative on moving top to bottom for alkali halides (b) f H always becomes less negative from fluoride to iodide for alkali me…
Low solubility of CsI is due to
The alkali metal oxides dissolve in water to produce
Which of the following statement (s) is/are correct regarding alkali metal halides? I. They possess high melting point and are crystalline in nature. II. They are prepared by reaction of appropriate oxides with aque…
Which of the following is correct regarding salt of oxo- acids of alkali metals?
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
Lithium and magnesium oxides and hydroxides are …X… soluble in water. Here, X refers to