1. Bromine is a
A. black solid
B. red liquid
C. colourless gas
D. highly inflammable gas
2. The hardest substance available on earth is
A. Gold
B. Iron
C. Diamond
D. Platinum
3. The variety of coal in which the deposit contains recognisable traces of the original plant material is
A. bitumen
B. anthracite
C. lignite
D. peat
4. Tetraethyl lead is used as
A. pain killer
B. fire extinguisher
C. mosquito repellent
D. petrol additive
5. Which of the following is used as a lubricant?
A. Graphite
B. Silica
C. Iron Oxide
D. Diamond
Answers (2)
Know the Answer?
Not Sure About the Answer?
Get an answer to your question ✅ “1. Bromine is a A. black solid B. red liquid C. colourless gas D. highly inflammable gas 2. The hardest substance available on earth is A. ...” in 📙 Chemistry if there is no answer or all answers are wrong, use a search bar and try to find the answer among similar questions.
Search for Other Answers
You Might be Interested in
GeF 3H is formed from GeH 4 and GeF 4 in the combination reaction: GeH 4 3GeF 4 4GeF 3H If the reaction yield is 92.6%, how many moles of GeF 4 are needed to produce 8.00 mol of GeF 3H
Answers (1)
Suppose you have 100 grams of a radioisotope with a half-life of 100 years. How much of the isotope will you have after 200 years?
Answers (1)
When comparing land and sea temperatures, the temperatures of the sea are more constant than the temperatures of the land throughout the day Which of the following explains why?
Answers (1)
What quantity of 18.68 M KOH solution is needed to neutralize 0.2841 grams of KHP? What is the concentration of the KOH solution?
Answers (1)
Which of the following represents an organic compound? A. CN B. CH4 C. NaCl D. H2O?
Answers (1)
New Questions in Chemistry
Reaction rates are affected by how often the particles collide true false
Answers (2)
A 25 N and 5 N force pull to the right. Friction is 10 N. If the object is 5 kg, find the net force and acceleration.
Answers (1)
What properties of matter are intensive independent of their size
Answers (1)
What is the density of an object having a mass of 8.0g and a volume of 25cm3
Answers (2)
What is a Cilla? (In drawing)
Answers (1)