guys plz help me out in answering this question's
Answers
Answer:
Answer 2 : Chemical change is a change in which always a new substance is formed . In chemical change , a substance is formed by chemical reaction .
Explanation:
For example : Burning of paper , Rusting of iron etc
Answer:
1 ) x can be any base . I chose sodium hydroxide - NaOH
2 ) A chemical change is a change in which the chemical properties of the substance changes and in the end , we get a new product .
Ex : Burning of wood
: Burning of a candle
: Rusting of Iron
: Rotting of fruits
: bursting of crackers
3 ) A balanced equation is a chemical equation in which the mass of the reactants and the mass of the products would be same . The number of molecules of one reactant which react with the number of molecules of the other reactant will be correct .
5 ) we apply paint on top of iron items in order to prevent the rusting of the item . Iron tends to undergo oxidation when exposed to moisture . To avoid the oxidation of iron , paint is applied on the top .
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