Waste — Flashcards

Answer

Any material which is no longer useful or not required is discarded and can be termed as waste. Waste may come from homes, farms, industries, hospitals and offices.

Answer

Waste was once seen as unwanted and useless material with no intrinsic value. Later, health, environmental, sanitation and protection problems made proper waste management necessary. Waste also change…

Answer

Solid waste includes food leftovers, crop residue, plastic wrappers, ashes and similar discarded materials. It is the waste that remains in solid form after use or processing.

Answer

Domestic waste from homes includes kitchen waste, packaging material and other discarded items. About 90% of domestic waste is directly dumped on land, which increases pollution and health risks.

Answer

Mixing biodegradable kitchen waste with packaging waste makes segregation difficult. It reduces the chances of composting and recycling. Separate collection is better because biodegradable waste can b…

Answer

Industrial waste is the waste released by industrial units during manufacturing processes. It includes building material waste, fly ash, metals and other leftover materials from industries.

Answer

Metallurgical industries, cement industries, paper and pulp industries, textile industries and mining operations are major sources of industrial waste.

Answer

This is industrial waste from the paper and pulp industry. About 50% of the total wood used in paper mills is ejected as waste material, so better use and recycling of paper are important.