The combustion test for hydrogen involves burning the gas, which can be potentially hazardous due to its flammability. Therefore, it is not advisable to perform this test in a classroom setting.
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Deepak sood
Asked: In: Class 9 Science
The gas obtained by Group I is hydrogen. It is colorless, odorless, and combustible.
Deepak sood
Asked: In: Class 9 Science
The fixed proportion of elements in a compound ensures that it possesses specific chemical and physical properties unique to that compound. This fixed ratio is essential for maintaining the compound’s stability and defining its chemical identity.
Deepak sood
Asked: In: Class 9 Science
When two or more elements are combined chemically, they form a compound. This compound has properties distinct from those of its constituent elements.
Deepak sood
Asked: In: Class 9 Science
Boron, silicon, and germanium are examples of elements that exhibit properties intermediate between metals and nonmetals. They are classified as metalloids.