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Space Exploration Conclusion
Conclusion - Unfolding the mysteries of the dark and silent space with no known boundaries has always been a dream of the human race. The desires of man has ultimately been accomplished through the exploration of space using various space launching vehicles, space..
To describe the position of a point in space, we need
To describe the position of a point in space, we need => Three dimensional coordinate system or Two dimensional coordinate system or Two dimensional coordinate system and Polar coordinate system or Polar coordinate system..
Applications of Co-ordination Compounds
1) Estimation of hardness in water: Ca 2 + and Mg 2 + ions water can be estimated using EDTA 2) Animal and plant world: Chlorophyll - Contains Mg complexed Hemoglobin - Contains Fe complexed Vitamin B 1 2 - Contains Co complexed 3) Electroplating of metal: Co-ordination compounds of gold ..
Bonding in Co-ordination Compounds
The first theory was called the Werner's theory of co-ordination compounds. 1) Metals possess two types of valencies: a) Primary valency or ionizable valency. It is also referred to oxidation state. b) Secondary valency which a metal atom or cation exercises towards neutral molecules or n..
Which of the following is correct?
Which of the following is correct? => Polar coordinate system is a line or Polar coordinate system is a Point or Polar coordinate system is a plane or Polar coordinate system is a space..
Introduction
In 1926, an American rocket engineer Robert Goddard, built and tested the first rocket which used liquid fuels instead of solid gun powder. During the Second World War powerful liquid fuel rockets were built by Germans to carry explosives. Later, Americans started building their own rocke..
Example
Mark the places where a word has been omitted and indicate the omitted word in the space provided: Srinagar abounds natural beauty ___________ It is often termed a paradise on earth ___________ Tourists from all world come to ___________ see its ever lasting beauty scattered ov..
Example
The following passage has not been edited. There is an error in each line against which there is a blank. Underline each error and write your correction in the space provided. I entered the manager's office and sat down. I have just lost five hundred rupees and I felt very upset. a) ____..
Greenhouse Effect
The Greenhouse effect is the rise in temperature that the Earth experiences because certain gases in the atmosphere (referred to as greenhouse gases), trap energy from the Sun. Without these gases heat would escape back into space and living on Earth would be inhospitable with average tem..
Degrees of freedom
The term 'degrees of freedom' may be defined in any of the following three ways: The total number of coordinates or independent quantities required to completely specify the position and configuration (arrangement of constituent particles in space) of a dynamic system is the deg..
Result
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