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The position and velocity of a small particle like electron cannot be simultaneously determined." This statement is:
(1) Heisenberg uncertainty principle
(2) Principle of de Broglie's wave nature of electron
(3) Pauli's exclusion principle
(4) Aufbau's principle
Ans: Heisenberg uncertainty principle
preparation of alkenes
Q. Explain about Conservation of Mass? Conservation of Mass above two centuries ago chemists established a fundamental law called the law of conservation of mass. This l
prepartion
a) During coagulation, the colloidal particles stay un-aggregated because: b) The aim during water softening is to precipitate calcium and magnesium as calcium carbonate and mag
reactivity of f-block elements
Ionic bonds are usually formed by combination of elements with: (1) High ionisation potential and low electron affinity (2) Low ionisation potential and high electron affini
Q. What do you mean by Descriptors? Descriptors are selected terms used to describe the sensory attributes of products and vary from one product to the other. The chosen descri
Consumer Oriented Product Development It is important that new product development strategies are adjusted to identified needs in the market. This requires an appropriate met
alkali metals belong to s-block in the periodic table ,why?
what is the reaction of heavy water
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