Venation is the arrangement of veins in the lamina of the leaf . Two types of venation are reticulate venation and parallel venation .Both, Neem... View Article
Consider a parallelogram with sides ABCD in which diagonals AC and BD bisect each other. To Prove : OA = OC and OB = OD Proof : AB || CD... View Article
If a bicycle moving on a straight road,the wheel of bicycle is rotating on its axle and also moving forward in straight lines path. So, a bicycle... View Article
The given number is 10648 On the prime factorisation of 10648, we get the prime factors as 10648 = 2×2×2×11×11×11 By grouping the factors in... View Article
Answer: Fertile soil produces higher yields and greater plant quality. Fertile soil is rich in essential components and minerals, has good... View Article
Let AB and CD be the two poles of equal height standing on the two sides of the road of width 80 m. AC = 80 m Let AP = x then PC = 80 – x P is... View Article
The motion of an object which repeats at regular intervals of time is known as periodic motion . Examples are: The motion of the hands of a... View Article
(a) In the electrolysis of water, the gas collected at cathode is hydrogen and the gas collected at anode is oxygen. (b) The gas which is... View Article
Oryza sativa is the scientific name of rice. This is termed the paddy. The major nutrient of rice is carbohydrates. Rice is the main food crop... View Article
Mendeleev's Periodic Law: 'Properties of elements are the periodic function of their atomic masses.' Achievements: (i) It could classify all the... View Article
Answer: A polynomial is an algebraic expression in which the exponent on any variable is a whole number. Polynomial’s degree is the highest or... View Article
SO2 is a colourless and pungent smelling gas. It can be detected with the help of potassium permanganate solution. When SO2 is passed through an... 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 the weight of 1... View Article
Solid CO2 is called as dry ice , because it does not melt into liquid when heated, it changes directly into gas . This process is known as... View Article
(a) Carbonate ore: It produces CO2 with brisk effervescence. (i) Calcination: Carbonate ore is heated in limited supply of air and oxide is... View Article
Nickel bisulfate - Ni(HSO4)2.6H2O. Symbol of Nickel -Ni Bisulfate - HSO4 Nickel sulfate is a highly soluble inorganic compound with the chemical... View Article