Which one of the following gemstones contains beryllium metal?
The question asks to identify the gemstone containing the metal beryllium. Let's analyze the options:
Be₃Al₂(SiO₃)₆$. This formula clearly shows the presence of beryllium (Be).Al₂SiO₄(F,OH)₂$. It does not contain beryllium.Al₂O₃$). It does not contain beryllium.Al₂O₃$). It does not contain beryllium.Based on the chemical compositions, Emerald is the gemstone that contains beryllium metal as a key component of the beryl mineral structure.
Common salt (NaCl) is not used as a raw material for preparation of which one of the following compounds?
Which one of the following is the chemical formula of Hypobromous acid?
Which one of the following is not used as a raw material in the manufacture of glass?
Which one of the following statements about dihydrogen (H 2) is not correct?
Reaction of quick lime (CaO) with water to produce slaked lime (Ca(OH) 2) is an example of