MATTER AROUND US

Which of the following is an example of a metal?
1. Iron
2. Oxygen
3. Helium
4. Water
Oxygen, hydrogen, and sulphur are examples of which of the following?
1. Metals
2. Non-metals
3. Metalloids
4. Inert gases
Which of the following is a short and scientific way of representing one molecule of an element or compound?
1. Mathematical formula
2. Chemical formula
3. Mathematical symbol
4. Chemical symbol
The metal which is a liquid at room temperature
1. Chlorine
2. Sulphur
3. Mercury
4. Silver
An element which is always lustrous,malleable and ductile
1. Metal
2. Non-metal
3. Metalloid
4. Gas
Which of the following is matter?
1. Table
2. Heat
3. Light
4. All of these
The smallest unit of an element that exhibits the properties of the element is called
1. Atom
2. Molecule
3. Matter
4. Compound
Sulphur dioxide is
1. Monoatomic molecule
2. Diatomic molecule
3. Triatomic molecule
4. Polyatomic molecule
Which of the following are used for making crackers?
1. Magnesium
2. Phosphorus
3. Both a and b
4. None of these
Non-metals are
1. Malleable
2. Ductile
3. Brittle
4. Lustrous