19,000+ solved questions for JEE Advanced, JEE Mains, NEET & IChO — with answers and expert explanations.
Which of the following will give H2 gas with dilute HNO3? (CPMT 2009)
Which physical property in the alkali metal group increases with atomic number? (AMU 2009)
In the case of alkali metals, the covalent character decreases in the order, (CBSE AIPMT 2009)
Which of the following oxides is not expected to react with sodium hydroxide? (CBSE AIPMT 2009)
The solubilities of carbonates decrease down the magnesium group due to a decrease in (RPMT 2008)
Which of the following is correctly represented according to their existence? I. MgCl2 .6H2O II. NaCl. 6H2O III. KCl. 6H2O IV. CaCl2. 6H2O
Which of the following ion is most abundant within cell fluid?
Sodium ions found primarily in which part of human body?
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
Which of the following is present as impurity in crude sodium chloride?
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
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…
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…
The alkali metal oxides dissolve in water to produce