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Class 10 · Science
→What does an upward arrow generally show in a chemical equation?
Class 10 · Science
→Which symbol is used to indicate the aqueous state in a chemical equation?
Class 10 · Science
→Which of the following is an indication of a chemical change?
Class 10 · Science
→Which symbol denotes the solid state of a substance in a chemical equation?
Class 10 · Science
→Burning of natural gas is an example of which type of reaction?
Class 10 · Science
→Respiration is considered which type of reaction?
Class 10 · Science
→What can a colour change indicate in a chemical reaction?
Class 10 · Science
→Formation of curd from milk is what type of change?
Class 10 · Science
→Why are chips packets filled with nitrogen gas?
Class 10 · Science
→What is used to prevent rancidity of fats and oils in food materials?
Class 10 · Science
→What is the process called when oils and fats develop an unpleasant smell on exposure to air?
Class 10 · Science
→What is mainly required for rusting?
Class 10 · Science
→What type of change is rusting of iron?
Class 10 · Science
→What is a reaction called in which oxidation and reduction occur simultaneously?
Class 10 · Science
→What is the simple meaning of reduction?
Class 10 · Science
→What is the simple meaning of oxidation?
Class 10 · Science
→Why is magnesium ribbon cleaned before burning?
Class 10 · Science
→Which substance is formed when magnesium ribbon is burnt in air?
Class 10 · Science
→What type of reaction is the burning of a fuel in the presence of oxygen?
Class 10 · Science
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