Answer:
<u>There are recipes that are made with both baking powder (for leavening) and baking soda (to facilitate browning by increasing the pH making batters and dough a little more alkaline).</u>
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Solids. Example: when you hit a drum, it vibrates, then the sound travels through the air, to your ears.
A compound that changes colour when it comes into contact with an acid or base is an indicator.
Explanation:
Atoms of the same element that differ in their numbers of neutrons are called isotopes. ... Different isotopes of an element generally have the same physical and chemical properties because they have the same numbers of protons and electrons.
