Non-metals do not displace hydrogen from dilute acids. They react with hydrogen to form hydrides.EXERCISE S1. Which of the following pairs will give displacement reactions?(a) NaCl solution and copper metal(b)MgCl, solution and aluminium metal(c) Feso, solution and silver metal(d) AgNO, solution and copper metal.2. Which of the following methods is suitable for preventing an iron frying pan fırusting?(a) Applying grease(b) Applying paint(e) Applying a coating of zincAll of the above.3. An element reacts with oxygen to give a compound with a high melting pointcompound is also soluble in water. The element is likely to be(a) calcium(b) carbon(c) silicon

Non-metals do not displace hydrogen from dilute acids. They react with

1.	Non-metals do not displace hydrogen from dilute acids. They react with hydrogen to form hydrides.EXERCISE S1. Which of the following pairs will give displacement reactions?(a) NaCl solution and copper metal(b)MgCl, solution and aluminium metal(c) Feso, solution and silver metal(d) AgNO, solution and copper metal.2. Which of the following methods is suitable for preventing an iron frying pan fırusting?(a) Applying grease(b) Applying paint(e) Applying a coating of zincAll of the above.3. An element reacts with oxygen to give a compound with a high melting pointcompound is also soluble in water. The element is likely to be(a) calcium(b) carbon(c) silicon
Answer» 1. B2 all of the above 3. CALCIUM