19,000+ solved questions for JEE Advanced, JEE Mains, NEET & IChO — with answers and expert explanations.
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
Solubility of the alkaline earth metal sulphates in water decreases in the sequence (AIPMT 2015)
Which one of the alkali metals forms only, the normal oxide, M2O on heating in air? (AIPMT 2012)
Which of the following compounds has the lowest melting point? (AIPMT 2011)
Which one of the following is present an an active ingredient in bleaching powder for bleaching action? (AIPMT 2011)
Which of the following alkaline earth metal sulphates is least soluble in water? (Haryana PET 2010)
Molecular formula of Glauber’s salt is (JCECE 2010)
Epsom salt is (RPMT 2010)
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
The suspension of slaked lime in water is (NEET 2016)
Sea water contain…by mass of the salt (NaCl)
Above 373K, the monohydrate sodium hydrogen carbonate becomes completely anhydrous and called as
In context with beryllium, which one of the following statements is incorrect? (NEET 2016)
Group I elements are collectively known as
Group II elements with exceptions of beryllium are known as alkaline earth metals. These are so called because their …A…and …B… are alkaline in nature. Here, A and B refer to
Among the alkali metals …A and …B… are relatively more abundant in nature. Here A and B refer to
Which of the following does not belong to alkaline earth metal?
…X and …Y…Shown diagonal similarity. Here, X and Y refer to
Which of the following shows diagonal relationship?
The diagonal relationship of elements arises due to the similarity in
Alkali metals show regular trend in their physical and chemical properties with the