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New Trends in ICSE BIOLOGY REFERENCE TOPICS INTRODUCTION NERVOUS SYSTEM PERIPHERAL NERVOUS SYSTEM (PNS) NEURON NERVES विषय परिचय तंत्रिका तंत्र परिधीय तंत्रिका तंत्र (पीएनएस) न्यूरॉन )नसें INTRODUCTI
1. Aluminium is used for making cooking utensils. Which of the following properties of aluminium are responsible for the same? (i) Good thermal conductivity (ii) Good electrical conductivity (iii)
1. Which of the following is a displacement reaction? Answer/ Explanation Answer: b Explaination: Reason: Here sodium (Na) displaces to form sodium hydroxide. 2. Magnesium ribbon is rubbed before bur