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The striking surface is composed of typically 25% powdered glass, 50% red phosphorus, 5% neutralizer, 4% carbon black and 16% binder; and the match head is typically composed of 45-55% potassium chlorate, with a little sulfur and starch, a neutralizer (ZnO or CaCO3), 20-40% of siliceous filler, diatomite and glue.[9] Some heads contain antimony(III) sulfide so they burn more vigorously. Safety matches ignite due to the extreme reactivity of phosphorus with the potassium chlorate in the match head. When the match is struck the phosphorus and chlorate mix in a small amount forming something similar to the explosive Armstrong's mixture which ignites due to the friction.
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What are the parts of a match stick?
A match contain a stick (from wood or paper) and a head with the active components.
When a mixture is created the components of the mixture their individual identities and properties?
When a mixture is created the components of the mixture __________ their individual identities and properties.
Why is separation done in water?
- To obtain the useful components from a mixture.- To remove the unwanted components from a mixture. - To separate 2 or more useful components from a mixture.
What is the difference between homogeneous and heterogeneous?
A homogeneous mixture is one in which all components are uniformly distributed throughout the mixture. In a heterogeneous mixture the components are not evenly distributed throughout the mixture.
Is alphabet soup homogeneous or heterogeneous?
The alphabet soup is a heterogeneous mixture.
What are the parts of a match stick?
A match contain a stick (from wood or paper) and a head with the active components.
What happens when the components of a mixture are uniformly intermingled?
When the components of a mixture are uniformly intermingled, it is a homogeneous mixture.
When a mixture is created the components of the mixture their individual identities and properties?
When a mixture is created the components of the mixture __________ their individual identities and properties.
Why is it that the components of a mixture can be separated into the origanal substance?
The meaning is that the components can be separated from the mixture.
What ways can components of a mixture can be separated?
The components of a mixture can be separated by filtration and distillation.
Why is separation done in water?
- To obtain the useful components from a mixture.- To remove the unwanted components from a mixture. - To separate 2 or more useful components from a mixture.
Why do we remove undesirable components in a mixture?
Undesirable components can either mess up the mixture, or make the mixture too weak.
What is the property of a mixture?
A mixture reflect the properties of the components.
What is properties of a mixture?
A mixture reflect the properties of the components.
What is the difference between homogeneous and heterogeneous?
A homogeneous mixture is one in which all components are uniformly distributed throughout the mixture. In a heterogeneous mixture the components are not evenly distributed throughout the mixture.
What is a match?
A match is a formal contest in which two or more persons or teams compete. It's also a wooden stick topped with a sulphuric mixture used to create fire. And it is an indication two things fit together. If those things fit, they are said to match.
WHAT IS MATCH?
A match is a formal contest in which two or more persons or teams compete. It's also a wooden stick topped with a sulphuric mixture used to create fire. And it is an indication two things fit together. If those things fit, they are said to match.
