SSC
CHEMISTRY
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
What does the symbol CaCO3 represent?
|
|
An element
|
|
|
A compound
|
|
|
An atom
|
|
|
None of the above
|
Explanation:
Detailed explanation-1: -Calcium Carbonate | CaCO3-PubChem.
Detailed explanation-2: -Calcium carbonate is a chemical compound with the chemical formula CaCO 3.
Detailed explanation-3: -Calcium is a chemical element with symbol Ca and atomic number 20.
Detailed explanation-4: -It’s a salt of a strong base Ca(OH)2 and a weak acid H2CO3. CaCO3 (calcium carbonate, a.k.a. chalk) doesn’t dissolve in water, so it doesn’t behave like a base.
There is 1 question to complete.