A chemical chain is a series of chemical reactions where the products of the reaction contribute to the reactants of another reaction. These chain reactions are generally triggered by a single...
1 Answers 1 viewsA reaction which has an equal number of atoms of all the elements on both sides of the chemical equation is called a balanced chemical equation. The law of conservation...
1 Answers 1 viewsGiven M and L are total length and mass of the chain. M = 4 kg L = 2 m And let length and mass of part of chain hanging down are l and m...
1 Answers 1 viewsA chemical bond is defined as an attractive force that holds the constituents (atoms, ions etc.) together in a chemical species. Various theories have been suggested for the formation of chemical...
1 Answers 1 views(a) Grazing food chain and detritus food chain Grazing food chain Detritus food chain In this food chain, energy is derived from the Sun. In this food chain, energy comes from organic matter (or...
1 Answers 1 viewsScalar Chain refers to a pre-defined, formal path of authority and communication in the order of highest to the lowest. For example- if A is the CEO of an organisation...
1 Answers 1 viewsRemoval of lions from the above food chain will increase the number of deer to such an extent that they will eat up the whole grass. The density of producer...
1 Answers 1 viewsCharacteristics of a food chain: (i) Unidirectional (ii) Helps in understanding the food relationship and interaction among various organisms in an ecosystem (iii) Helps to understand movement of toxic substances and the problem...
1 Answers 3 viewsCorrect option (c) Explanation: The ceiling pulls the chain with a force equal to the sum of weights of chain and the body. So the pulling force = (w1 + w2)
1 Answers 1 views