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Q8.
Answers
1. the first symbol (explosive), some materials are exclusive while handling such material car should be taken
2. the second symbol (inflammable), it means similar to explosive substance, the inflammable material can also catch fire easily
3. the third symbol (oxidizing), some chemical substances are oxidising .
4. fourth symbol (compressed), compress substances are filled under pressure in some container.
5 . fifth symbol (corrosive), corrosive substances are very reactive.
6. sixth symbol (toxic), to taste a toxic substance or to smell lead to death.
7. 7th symbol (irritant), when are delicate skins comes in contact with irritant substance.
8. 8th symbol (experimentally hazardous), many substances cause harm to the environment due to the toxicity.
9.9th symbol (health hazard), the substances that can cause hazard to our health should always be hazard from us.
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Health hazard - substance with respiratory, reproductive or organ toxicity that causes damage over time (a chronic, or long-term, health hazard).
Flame: Flammable materials or substances liable to self ignite when exposed to water or air (pyrophoric), or which emit flammable gas.
Exclamation Mark: An immediate skin, eye or respiratory tract irritant, or narcotic.
Gas Cylinder: Gases stored under pressure, such as ammonia or liquid nitrogen.
Corrosion: Materials causing skin corrosion/burns or eye damage on contact, or that are corrosive to metals.
Exploding Bomb: Explosives, including organic peroxides and highly unstable material at risk of exploding even without exposure to air (self-reactives).
Flame Over Circle: Identifies oxidizers. Oxidizers are chemicals that facilitate burning or make fires burn hotter and longer.
Skull and Crossbones: Substances, such as poisons and highly concentrated acids, which have an immediate and severe toxic effect (acute toxicity).
Environmental Hazard: Chemicals toxic to aquatic wildlife. (Non-Mandatory)