19,000+ solved questions for JEE Advanced, JEE Mains, NEET & IChO — with answers and expert explanations.
Sodium ions found primarily in which part of human body?
A 70 Kg man contain about …X… of Na and …Y… of K. here, X and Y refer to
The formula of soda ash is
Which of the following is used in the preparation of cakes or pastries?
Which of the following statement is incorrect regarding use of caustic soda?
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…
Sodium chloride is prepared by the electrolysis of sodium chloride solution the electrodes used as cathode and anode are respectively.
Sodium hydroxide is commercially prepared by
Which of the following is commonly named as caustic soda?
Solubility of sodium chloride in 100 g of water at 273 K is
Crude…A… Generally obtained by crystallization of brine solution. Here, A refers to
Sea water contain…by mass of the salt (NaCl)
Above 373K, the monohydrate sodium hydrogen carbonate becomes completely anhydrous and called as
Which of the following exist as decahydrate?
Which of the following is known molecular formula of washing soda?
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
What will be the product when ammonium chloride is treated with calcium hydroxide?
Solvay process is used in the preparation of
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
The carbonates and hydrogen carbonates of alkali metals are highly stable, their stability
Which of the following is correct regarding salt of oxo- acids of alkali metals?
Low solubility of CsI is due to
Low solubility of LiF in water is due to …A… Here, A refer to
The correct trend of melting point and boiling point of alkali metal halides
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…