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Germ Worksheet /Understanding Ratios

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This worksheet was sent to Hortykim by Ellen Morland from Foundation Studies at Otago Polytechnic

This worksheet was sent to Hortykim by Ellen Morland from Foundation Studies at Otago Polytechnic

Published in: Education

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  • 1. Germ-away A virucidal and fungicidal cleaner for bath and wash rooms. Directions Ensure product is diluted correctly. Always use a clean container Always rinse cleaned area with clean water after use Dilution Deep cleaning and disfection 1 : 10 Shower areas and washrooms 1 : 25 Floors and surfaces 1 : 50 Sinks,toilets,drains,dustbins Use neat 1. What is the dilution rate for shower areas? ____ 2. What is the dilution rate for floors? ____ 3. What is the dilution rate for deep-cleaning? ____ 4. How many parts of water do you need per part of Germ-away for shower areas?_____ 5. You have measured 10ml of Germ-away. How much water will you need to use to clean a washroom? _________ 6. What does use neat mean? _________________________________________________ . Concrete is a mixture of gravel, sand and cement, usually in the ratio 3:2:1.If I had 9 portions of gravel how much sand and cement would I need? 9 : ___ : _____If I had 8 bags of cement how much gravel and sand would I need? ___ : ___ : 8