Which of the following is a chemical reaction?
What is formed when magnesium ribbon burns in air?
Which gas is released when an acid reacts with a metal?
The chemical reaction in which heat is released is called:
Photosynthesis is an example of which type of reaction?
Which of the following indicates that a chemical reaction has taken place?
The reaction between an acid and a base produces:
What type of reaction is respiration?
Which type of reaction takes place when silver chloride turns grey in sunlight?
Which chemical is used in black and white photography?
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