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प्रश्न
Fill in the blanks:
Iron is ________ reactive than copper.
उत्तर
Iron is more reactive than copper.
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संबंधित प्रश्न
Write any three differences between metals and non-metals with respect to their physical properties.
Name the gas that is produced in the given case:
The reaction of ethanol and sodium.
You are given a dry cell, a torch bulb with holder, wires and crocodile clips. How would you use them to distinguish between samples of metals and non-metals?
Name two physical properties of sodium in which it's behaviour is not as expected from it's classification as metal.
The electronic configurations of three elements A, B and C are as follows:
| A | 2, 8, 1 |
| B | 2, 8, 7 |
| C | 2, 4 |
(a) Which of these element is a metal?
(b) Which of these elements are non-metals?
(c) Which two elements will combine to form an ionic bond?
(d) Which two elements will combine to form a covalent bond?
(e) Which element will form an anion of valency 1?
Name:
a non-metal with high m.p & b.p
Distinguish between an ore and a metallic compound.
Identify the odd term.
Write scientific reason.
The stainless steel vessels in Kitchen have copper coating on the bottom.
Write the name.
Nonmetal which is a good conductors of electricity.
