which ionic compound is used as a building material?\no salt\no limestone\no magnesium oxide\no iron oxide
which ionic compound is used as a building material?\no salt\no limestone\no magnesium oxide\no iron oxide
Answer
Answer:
B. limestone
Brief Explanations:
Limestone, mainly calcium - carbonate ($CaCO_3$), an ionic compound, is commonly used as a building material for construction of buildings, roads etc. Salt is mainly used in food and chemical processes. Magnesium oxide has uses in refractories and medicine. Iron oxide is used in pigments.