NSO Level 1- Science Olympiad (SOF) Class 8: Questions 600 - 603 of 1178
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Passage
Study the pictures carefully and answer the question
Question 600 (2 of 6 Based on Passage)
Question MCQ▾
When matchsticks are struck against rubbing surface, red phosphorous
Choices
Choice (4) | Response | |
---|---|---|
a. | Reacts with potassium chlorate | |
b. | Ignite antimony disulphide | |
c. | Converts into white phosphorous | |
d. | Question does not provide sufficient data or is vague |
Question 601 (3 of 6 Based on Passage)
Question MCQ▾
The head of the safety match sticks contain potassium chlorate, sulphur and glass powder. The role of potassium chloride here is
Choices
Choice (4) | Response | |
---|---|---|
a. | It gives necessary friction for combustion | |
b. | It is the fuel for combustion | |
c. | It ignites the fuel | |
d. | It acts an oxidiser |
Question 602 (4 of 6 Based on Passage)
Question MCQ▾
The head of the safety match sticks contain potassium chlorate, sulphur and glass powder. The role of sulphur here is
Choices
Choice (4) | Response | |
---|---|---|
a. | It gives necessary friction for combustion | |
b. | It acts an oxidiser | |
c. | It ignites the fuel | |
d. | It is the fuel for combustion |
Question 603 (5 of 6 Based on Passage)
Question MCQ▾
The head of the safety match sticks contain potassium chlorate, sulphur and glass powder. Here the role of glass powder is
Choices
Choice (4) | Response | |
---|---|---|
a. | It gives necessary friction for combustion | |
b. | It acts an oxidiser | |
c. | It is the fuel for combustion | |
d. | It ignites the fuel |