Science

Question: Name the components of blood which transport: Food, carbon dioxide and nitrogenous wastes Oxygen Answer: (1) Plasma, (2) Hemoglobin Question: When we breathe out, why does the air passage not collapse? Answer: Because it is supported by cartilaginous rings which prevent its collapsing. Question: Name the process of loss …

NCERT 10th Class (CBSE) Science: Work, Life and Leisure Quiz 20 Multiple Choice Questions related to NCERT 10th Class (CBSE) Science (Chemistry) Metals and Non-metals Quiz Elements can be classified as metals and non-metals. Metals are lustrous, malleable, ductile and are good conductors of heat and electricity. They are solids …

NCERT 10th Class (CBSE) Science: Chemical Reaction & Equations Quiz 34 Multiple Choice Questions related to NCERT 10th Class (CBSE) Science (Chemistry) Chemical Reaction & Equations Quiz In a physical change, no new substance is formed while in a chemical change, a new substance is formed. It should be cleaned …

NCERT 10th Class (CBSE) Science: Acids, Bases and Salts Quiz 37 Multiple Choice Questions related to NCERT 10th Class (CBSE) Science (Chemistry) Acids, Bases and Salts Quiz p in pH stands for ‘potenz’ in Germany and H is for hydrogen. When milk changes to curd, it becomes acidic due to …

Question: What is meant by p and pH? Answer: p in pH stands for ‘potenz’ in Germany and H is for hydrogen. Question: What are antacids? Explain their role in providing relief from stomach ache. Answer: Antacids are mild base. Antacids neutralise the effect of extra acid produced in the …

Question: Give composition of the alloy – ‘brass’ and ‘bronze’. Answer: Brass – Cu and Zn Bronze – Cu and Tin Question: What is the formula of rust? Answer: Fe2O3.xH2O. Question: An alloy has low melting point and is, therefore, used for electrical fuse. Name they alloy and write its …

Chemical Reaction & Equations: 10 Science – Chapter 1 Question: What is a balanced chemical equation? Why should chemical equations be balanced? Answer: An equation for a chemical reaction is an equation in which the number of atoms for each element in the reaction and the total charge is the same …

10th Science Periodic Test III (2018-19) VGS Rohini School Name: Venkateshwar Global School, Sector 13, Rohini, Delhi 110085 IndiaTime: 3 hoursM.M: 80Subject: ScienceClass: X Date: 25/01/2019 General Instructions: The question paper comprises five sections, A, B, C, D and E. You are to attempt all the sections. All questions are compulsory. Internal choice is given in …

10 CBSE Science Paper Design (2013-14) Outside Delhi Modified Based on Latest CBSE Question Paper Design Time allowed: 3 hours Maximum marks: 80 Class: X Subject: Science Year: 2013 – 14 (Outside Delhi) General Instructions: The Question paper comprises of two sections, A and B. You are to attempt both the sections. All questions compulsory. All questions …

Modified Based on Latest CBSE Question Paper Design Time allowed: 3 hoursMaximum marks: 80Class: X (Science)Year: 2012 – 13 (Delhi) General Instructions: The Question paper comprises of two sections, A and B. You are to attempt both the sections. All questions compulsory. All questions of Section A and all questions of …