Which of the following is a chemical change


Asked by admin @ in Chemistry viewed by 311 People


Which of the following is a chemical change? 1] Cutting of tree 2] Rusting of iron 3] Burning of candle 4] Water converting into steam ​

Answered by admin @



Answer:

In a chemical change the main chemical composition of the substance changes.Chemical changes are irreversible.

In the above question 2) Rusting of iron is a chemical change


Similar Questions

Which among the following are physical or chemical changes

Asked by admin @ in Science viewed by 379 persons

Which among the following are physical or chemical change? 1. evaporation of petrol 2.burning of LPG gas. 3.heating of iron rod to red hot. 4.curdling of milk 5.sublimation of solid …

Which one of the following is a chemical change

Asked by admin @ in Chemistry viewed by 353 persons

which one of the following is a chemical change? Give reason. a) Burning of wax b) Melting of wax

Which of the following is not a chemical change

Asked by admin @ in Chemistry viewed by 386 persons

1. Which of the following is not a chemical change? a) Formation of curd b) ripening of banana c) corrosion of irond) melting of wax​

Which one of the following is not a chemical change

Asked by admin @ in Chemistry viewed by 348 persons

1. Which of the following is not a chemical change? a) Formation of curd b) ripening of banana c) corrosion of irond) melting of wax​

Which of the following does not indicate that a chemical change may have taken place

Asked by maham237 @ in Chemistry viewed by 377 persons

Which of the following does NOT indicate change may have taken place? . . A - Fracture Formation. B - Gas Production . C - Precipitate Formation . D - …

Classify the following as physical and chemical changes

Asked by admin @ in Science viewed by 391 persons

Classify the following as chemical or physical changes: • cutting of trees, • melting of butter in a pan, • rusting of almirah, • boiling of water to form steam, …

Classify the following as chemical or physical changes

Asked by admin @ in Science viewed by 330 persons

Classify the following as chemical or physical changes: • cutting of trees, • melting of butter in a pan, • rusting of almirah, • boiling of water to form steam, …

Which of the following is an example of chemical change

Asked by admin @ in Science viewed by 267 persons

20 examples of the chemical change

How can you tell if a chemical change has occurred

Asked by admin @ in Chemistry viewed by 320 persons

How can you tell if a chemical change has occurred?

Are enzymes used up or changed during a chemical reaction

Asked by admin @ in Biology viewed by 343 persons

Which one of the following is true? A) Enzymes are used up in chemical reactions. B) An enzyme binds to its substrate at the enzyme's substrate site. C) An enzyme's …

Which of the following is not a chemical buffer system

Asked by admin @ in Biology viewed by 313 persons

Which of the following is NOT one of the body's chemical buffering systems? a) hydrochloride b) protein c) bicarbonate d) phosphate

Which of the following is true for all chemical reactions

Asked by admin @ in Chemistry viewed by 347 persons

Which of the following is true for all chemical reactions? The total mass of the reactants increase. The total mass of the products is greater than the total mass of …

Which of the following is not produced through chemical bonding

Asked by admin @ in Biology viewed by 316 persons

Which of the following is not produced through chemical bonding? adipose (fat) tissueatomsthe heartcells

Which substance cannot be broken down by a chemical change

Asked by admin @ in Chemistry viewed by 348 persons

Which substance can not be broken down by a chemical reaction? (1) ammonia (3) methane (2) argon (4) water

Why rusting of iron is a chemical change

Asked by admin @ in Chemistry viewed by 310 persons

Why is rusting of iron considered a chemical change

Most viewed questions in Chemistry


Discuss sn2 mechanism of methyl bromide using aqueous koh

Asked by admin @ in Chemistry viewed by 2188 persons


Comparing lactose percentage between whole milk and powdered milk

Asked by admin @ in Chemistry viewed by 1927 persons


Lewl letpa

Asked by maham237 @ in Chemistry viewed by 1563 persons



50 examples of unbalanced chemical equations with answers

Asked by admin @ in Chemistry viewed by 1394 persons


Chromium metal is immersed in an aqueous solution of cobalt(ii) chloride.

Asked by maham237 @ in Chemistry viewed by 1322 persons


Prepare a chart giving detailed information of carbon compounds

Asked by admin @ in Chemistry viewed by 1285 persons



Which 1 mole sample has the least entropy

Asked by maham237 @ in Chemistry viewed by 1271 persons


If you are given the assignment to cut raw poultry

Asked by maham237 @ in Chemistry viewed by 1251 persons


Effect of succinic acid on cst of phenol water system

Asked by admin @ in Chemistry viewed by 1250 persons



The reaction between aluminium powder and anhydrous barium nitrate

Asked by maham237 @ in Chemistry viewed by 1223 persons


Cnh4 lewis structure

Asked by maham237 @ in Chemistry viewed by 1144 persons


2 3 dihydroxypropanal

Asked by maham237 @ in Chemistry viewed by 1048 persons



Select true statements about the pentose phosphate pathway

Asked by maham237 @ in Chemistry viewed by 1036 persons


Crossword puzzle on carbon and its compounds class 10

Asked by admin @ in Chemistry viewed by 1009 persons


Ionic bond calculator

Asked by maham237 @ in Chemistry viewed by 986 persons