chemistry

Liquid-Plumr

Liquid-Plumr is a chemistry topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Liquid-Plumr rather than just read about it. In short: Liquid-Plumr is a chemical drain opener made of 0.5–2% sodium hydroxide and 5–10% sodium hypochlorite, and a surfactant, produced by Clorox. The product is safe for septic systems, PVC, plastic, and copper pipes, although is not recommended for and can damage rubber piping.

Key takeaways

Liquid-Plumr belongs to chemistry; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Liquid-Plumr to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Liquid-Plumr from memory before moving on to harder problems.

Reference excerpt

Liquid-Plumr is a chemical drain opener made of 0.5–2% sodium hydroxide and 5–10% sodium hypochlorite, and a surfactant, produced by Clorox. The product is safe for septic systems, PVC, plastic, and copper pipes, although is not recommended for and can damage rubber piping. The Liquid-Plumr products have a child-resistant closure that prevents leaking and potential harm. However, in 2016 Clorox issued a voluntary recall on products sold before March 21, 2016, due to failures with the child-resistant closure affecting about 5.4 million units with no injuries reported.

History Three months after Procter & Gamble acquired Clorox in 1957, the Federal Trade Commission sued under the Clayton Act. After a decade of legal battles, the United States Supreme Court ordered P&G to divest itself of Clorox. Clorox became an independent company again on January 2, 1969, and in April 1969, Clorox pooled all its available cash and credit to buy Liquid-Plumr drain opener.

See also Drano, another comparable drain cleaning brand by S. C. Johnson & Son

References

External links Liquid-Plumr official website

Illustrations

Worked examples

Example 1 — a first encounter with Liquid-Plumr

Start with the simplest possible case. Write down what Liquid-Plumr claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In chemistry, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Liquid-Plumr before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Liquid-Plumr ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Liquid-Plumr

In research: Liquid-Plumr appears in chemistry research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Liquid-Plumr in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Liquid-Plumr is common in secondary-school and first-year university syllabi. It links to neighbouring topics Brand name products stubs, Cleaning products, Clorox brands, so understanding it makes those chapters shorter.
In everyday life: Look for Liquid-Plumr outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Liquid-Plumr in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Liquid-Plumr means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Liquid-Plumr out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Liquid-Plumr in simple terms?

Why does Liquid-Plumr matter?

Because it connects several chemistry ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Liquid-Plumr?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Liquid-Plumr.