Chemistry - The Nature of Matter

Which substance can be decomposed by a chemical change? 1. ammonia 2. iron 3. argon 4. helium

1. ammonia

Which of the following is NOT composed of two or more types of atoms? 1. element 2. compound 3. solution 4. mechanical mixture

1. element

Which represents a homogeneous mixture? 1. CuSO_4(s) 2. NaCl(aq) 3. Br_2(ℓ) 4. CO_2(g)

2. NaCl(aq)

The tendency of matter to maintain the state of motion is known as 1. density 2. inertia 3. mass 4. volume

2. inertia

Which of the following is NOT matter? 1. A chair 2. Air 3. Light 4. Water

3. Light

Which of the following are types of mixture? 1. Elements Only 2.Compounds only 3.Solutions Only 4.Elements and Compounds

3. Solutions Only

Which of he following consists of more than one substance? 1. Elements Only 2.Compounds only 3.mixtures only 4.Elements and Compounds

3. mixtures only

Which of the following may be heterogeneous? 1. Elements Only 2.Compounds only 3.mixtures only 4.Elements and Compounds

3. mixtures only

Which of the following is matter? 1. love 2. ideas 3. rock 4. heat

3. rock

Which of the following is pure? 1. Elements Only 2.Compounds only 3.mixtures only 4.Elements and Compounds

4. elements and compounds

Which of the following are types of Matter? 1. Elements Only 2.Compounds only 3.Mixtures only 4.All of these

4.All of these

Which of the following is NOT property of matter? 1. inertia 2. occupies space 3. composed of elements 4. weightlessness

4.vweighlessness