Question: 26 - Alloys are homogeneous mixtures of a metal with a metal or nonmetal. Which among the following alloys contain non-metal as one of its constituents?
Answer: (d) Steel
Question: 27 - Which among the following statements is incorrect for magnesium metal?
Answer: (b) It reacts with cold water to form magnesium oxide and evolves hydrogen gas
Question: 28- Which among the following alloys contain mercury as one of its constituents?
Answer: (d) Zinc amalgam
Question: 29 - Reaction between X and Y, forms compound Z. X loses electron and Y gains electron. Which of the following properties is not shown by Z?
Answer: (b) Has low melting point
Question: 30 - The electronic configurations of three elements X, Y and Z are X â€” 2, 8; Y â€” 2, 8, 7 and Z â€” 2, 8, 2. Which of the following is correct?
Answer: (d) Y is a non-metal and Z is a metal
Metals and Non-metals will be available online in PDF book form soon. The solutions are absolutely Free. Soon you will be able to download the solutions.