Class 10

Properties of Covalent Compounds

Last Updated on January 7, 2024 By Mrs Shilpi Nagpal

Question 1 Give few properties of covalent compounds? Properties of Covalent Compounds 1) Covalent compounds exist as single molecules which are mostly in gaseous state(hydrogen, oxygen, ammonia).Some of them may be liquid(bromine) and few as solids(iodine, phosphorus) 2) Covalent compounds have usually low melting and boiling point. Since no ions are present in the … [Read more...] about Properties of Covalent Compounds

Examples of Covalent Molecules

Last Updated on January 5, 2024 By Mrs Shilpi Nagpal

Question 1 Show covalent bonding in hydrogen molecule? Question 2 Show covalent bonding in oxygen molecule? Question 3 Show covalent bonding in nitrogen molecule? Question 4 Show covalent bonding in chlorine molecule? Question 5 Show covalent bonding in water molecule? Examples of covalent molecules (1) Hydrogen molecule The atomic number of hydrogen is 1. … [Read more...] about Examples of Covalent Molecules

Covalent Bonding

Last Updated on July 3, 2023 By Mrs Shilpi Nagpal

Question 1 What is covalent bonding? Question 2 What are covalent molecules? Question 3 What is single covalent bond? Question 4 What is double covalent bond? Question 5 What is triple covalent bond? Question 6 Define the term covalency? Question 7 What are monovalent molecules. Give example? Question 8 What are divalent molecules. Give example? Question … [Read more...] about Covalent Bonding

Carbon

Last Updated on January 4, 2024 By Mrs Shilpi Nagpal

Question 1 What is the atomic number and mass number of carbon? Question 2 Give few properties of Carbon compounds ? Question 3 What is the electronic configuration of carbon? Question 4 Why carbon cannot lose 4 electrons? Question 5 Why carbon cannot gain 4 electrons? Question 6 Why is carbon atom tetravalent in nature? Question 7 Why carbon forms covalent … [Read more...] about Carbon

Transportation in Plants

Last Updated on July 3, 2023 By Mrs Shilpi Nagpal

Question 1 Name the two conducting tissues of plants? Question 2 What is the function of transpiration? Question 3 What is transpiration? Question 4 Name the two kinds of cells of xylem? Question 5 Name the various cells through which water moves upwards to reach the leaves? Question 6 What is translocation? Question 7 How does transpiration help in upward … [Read more...] about Transportation in Plants