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Characteristics Of Compounds Of Alkaline Earth Metals - Chemistry, Class 11, s-Block Elements
Due to higher enthalpy of formation in the solid state and due to higher hydration enthalpy in the aqueous solution, alkaline earth metals uniformally form bipositive ions.
2026-07-17 -
Uses of Alkaline Earth Metals - Chemistry, Class 11, s-Block Elements
Contents1 Beryllium2 Magnesium3 Calcium Beryllium 1) It is used in the manufacture of alloys. Copper-beryllium alloys are used in the preparation of high strength springs. 2) Metallic beryllium is used for making Windows of X- ray tubes. Magnesium 1) It is used to prepare alloy with aluminium, zinc , manganese and tin. 2) Magnesium – […]
2026-07-17 -
Solutions for Chapter 3, The Changing Earth, Ratna Sagar Social Science Class 7 - Class 7, Geography, Ratna Sagar Integrated Social Science, Reference Books
Reference Book Ratna Sagar Integrated Social Science Class Class 7 Category Geography Chapter Number Chapter 3 Chapter Name The Changing Earth A) Tick (✓) the correct answers. 1) Alfred Wegener was a German a) Geologist
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Earthquake - Class 8, Some Natural Phenomena
Earthquake, Some Natural Phenomena, Class 8 - An earthquake is a sudden shaking (or trembling) of the earth which lasts for a very short time.
2026-07-17 -
Class 6 Geography Chapter 2 Latitude and Longitudes Notes - Class 6, Geography, Social Science
Chapter 2 Category Class 6 Geography Notes Question 1 What is the shape of Earth? Question 2 What is a globe? Question 3 What are the characteristics of globe? Question 4 […]
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Mass, Weight, Pressure, Thrust - Class 9, Gravitation
Question 2 A man weight 600 N on the earth. What is his mass. If he were taken on the moon, his weight would be 100 N.what is his mass on the moon? What is the acceleration due to gravity on the moon? Question 3 How […]
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Reproduction in Animals - Class 8, Reproduction in animals
Question 1 Which life process ensures that a plant or animal species will not disappear from the earth? Question 2 Define the term reproduction? Question 3 What are young ones. Give example?
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Adaptations - Class 7, Science, Weather, Climate and Adaptations of Animals to Climate
Describe the climate in the polar regions of the earth? Question 4 What are tropical rainforest ? Name few adaptations which help the animals […]
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Extinct and Endangered Species - Class 8, Conservation of plants and animals
The species which no longer exist anywhere on the earth are called extinct […]
2026-07-17 -
Conservation of Water - Class 6, Water
It is essential to conserve water because the amount of usable water on the earth is limited and there is scarcity of usable water for various purposes.
2026-07-17