Basic Science Practice Question and Answer
8 4 Q:
611b650edc4e2547a1c91c34 4 Q:
611b64b76d0fd147810fb65f 4 Q:
611b6423dc4e2547a1c91bd7 4 Q:
611b63e16d0fd147810fb343 4 Q:
611b6363ccbc2b477b6dc0d8 4 Q:
611b631cccbc2b477b6dc0be 4 Q:
611b62d6ccbc2b477b6dc099 4 Q:
611b62996d0fd147810fb290
Q: What is the smallest unit of a chemical compound?
1649 0611b650edc4e2547a1c91c34
611b650edc4e2547a1c91c34- 1Atomicfalse
- 2electronfalse
- 3Protonfalse
- 4Moleculestrue
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 4. "Molecules"
Q: Gun powder is a mixture of?
441 0611b64b76d0fd147810fb65f
611b64b76d0fd147810fb65f- 1soil and TNTfalse
- 2sulphur, clay and charcoalfalse
- 3saltpeter, sulfur and charcoaltrue
- 4TNT and charcoalfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 3. "saltpeter, sulfur and charcoal"
Q: Which substance is added to make natural rubber hard and bouncy?
401 0611b6423dc4e2547a1c91bd7
611b6423dc4e2547a1c91bd7- 1Petrol Jellyfalse
- 2sulfuric acidfalse
- 3sulfurtrue
- 4Spongefalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 3. "sulfur"
Q: Which of the following is essentially produced in the fermentation process?
401 0611b63e16d0fd147810fb343
611b63e16d0fd147810fb343- 1ethyl alcoholtrue
- 2Methyl alcoholfalse
- 3acetic acidfalse
- 4yeastfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 1. "ethyl alcohol"
Q: The marshy gas which is produced on decomposition of organic matter and is mostly found in coal mines, is the name of that gas?
394 0611b6363ccbc2b477b6dc0d8
611b6363ccbc2b477b6dc0d8- 1ethanefalse
- 2Methanetrue
- 3carbon dioxidefalse
- 4carbon monoxidefalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 2. "Methane"
Q: Filling helium in balloons is considered more useful than hydrogen, because?
362 0611b631cccbc2b477b6dc0be
611b631cccbc2b477b6dc0be- 1it is cheapfalse
- 2less heavyfalse
- 3more flying abilityfalse
- 4it does not form explosive mixture with airtrue
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 4. "it does not form explosive mixture with air"
Q: Which element forms the maximum number of compounds with hydrogen?
398 0611b62d6ccbc2b477b6dc099
611b62d6ccbc2b477b6dc099- 1Oxygenfalse
- 2Siliconfalse
- 3Carbontrue
- 4Nitrogenfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 3. "Carbon"
Q: Which element is found the most in minerals and rocks?
398 0611b62996d0fd147810fb290
611b62996d0fd147810fb290- 1Carbontrue
- 2Siliconfalse
- 3Hydrogenfalse
- 4Boronfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 1. "Carbon"
en2904latest