WebGive some examples. Answer 1: When the effect of a base is nullified by an acid and vice versa, it is called neutralization reaction. In general, a neutralization reaction is written … WebApr 29, 2024 · Activity 2.2 Take some finely chopped onions in a plastic bag along with some strips of clean cloth. Tie up the bag tightly and leave overnight in the fridge. The cloth strips can now be used to test for acids and bases. Take …
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WebMar 23, 2024 · Activity 2.4 NCERT Class 10 Science, Chapter 2 Acids, Bases, and Salts. Procedure: Activity 2.4 asks us to treat zinc granules with bases like sodium hydroxide. Observation: Bubbles come out from zinc granules. These bubbles catch fire when the flame is brought towards the test tube. WebApr 4, 2024 · The image is virtual and diminished. Use: Concave mirror form concentrated real image when an object is at infinity. We can use this property to start a fire. Next: How a concave mirror can start a fire. … make a dream house
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WebMar 23, 2024 · Activity 2.7 NCERT Class 10 Science, Chapter 2 Acids, Bases, and Salts Procedure: Activity 2.7 asks us to add dilute hydrochloric acid to copper oxide and check the solution of the colour. Observation: The colour of the solution turn green. Explanation: Copper oxide is black; it reacts with hydrochloric acid to form copper chloride. WebMar 31, 2024 · Activity 1.2 Class 10 Science Solution. In this post, you will learn a complete explanation of activity 1.2 class 10 science that belongs to chapter 1 Chemical Reactions and Equations. You can also go through Activity 1.3 of chapter 1 Chemical Reactions and Equations. Explain Activity 1.2 Class 10 NCERT Science WebIn-Text Activities Solved 1.1) When magnesium ribbon is burning, what do you observe? Ans) Magnesium ribbon burns with a dazzling flame and watch powder is collected on the watch glass placed under it. The white powder is magnesium oxide formed by the reaction of magnesium and oxygen present in the air. 2Mg (s) + O 2 (g) → 2MgO make a dream catcher