Answer: A polynomial is an algebraic expression in which the exponent on any variable is a whole number. Polynomial’s degree... View Article
SO2 is a colourless and pungent smelling gas. It can be detected with the help of potassium permanganate solution. When... View Article
Electronic configuration represents the total number of electrons that a neutral element contains. The electrons are filled according to Afbau’s... View Article
The amount of substances that completely react with each other in the reaction is called equivalent weight. Equivalent weight is... View Article
Solid CO2 is called as dry ice , because it does not melt into liquid when heated, it changes directly... View Article
The equivalent weight of sodium hydroxide NaOH is 40 g/mol. NaOH ⟶ Na+ +OH− Equivalent weight = Molecular weight/acidity =... View Article
(a) Carbonate ore: It produces CO2 with brisk effervescence. (i) Calcination: Carbonate ore is heated in limited supply of air... View Article
Nickel bisulfate – Ni(HSO4)2.6H2O. Symbol of Nickel -Ni Bisulfate – HSO4 Nickel sulfate is a highly soluble inorganic compound with... View Article
Answer: (b) liquid dispersed in gas A colloidal suspension is a solution in which the size of the solute particles is intermediate... View Article
Answer: (a) H3PO3 + HCI. Phosphorus trichloride reacts violently with water forming phosphorous acid. PCl3 + 3HOH → H3PO3 +... View Article
Answer: Let the two conditioners be A and B Air conditioner ‘A’ cools at 40min Air conditioner ‘B’ at 45min... View Article
The Public distribution system (PDS) is an Indian food Security System established under the Ministry of Consumer Affairs, Food, and... View Article
Bakelite has three-dimensional network of covalent bonds with crosslinking between chains. Bakelite is the first thermosetting plastic made from synthetic... View Article
Sodium Oxide + Water → Sodium Hydroxide Na2O + H2O → 2NaOH . Sodium oxide is used in ceramics and... View Article
The matter is made up of small particles that are too small to be seen, even with a powerful microscope. Anything... View Article
The Northern Plains are fertile due to the deposition of alluvial soil. It is an agriculturally very productive part of... View Article
Mosses and lichens are mostly found in tundra vegetation. The climatic condition of tundra , which does not exceed 10˚C... View Article
When electricity is passed through an aqueous solution of sodium chloride it decomposes to form sodium hydroxide. The process is... View Article
The maximum number of columns in which they can march = HCF (32, 616) Since 616 > 32, applying Euclid’s... View Article
When potassium iodide is treated with ozone , the products formed are iodine, oxygen and potassium hydroxide. Iodine ion is... View Article
