Match the metal with the statement
| Stavka koja se može prevući | arrow_right_alt | Odgovarajuća stavka |
|---|---|---|
We can make stainless steel by mixing iron with | arrow_right_alt | potassium |
The electrical wiring in a house is usually made from | arrow_right_alt | chromium |
Transition metals are usually found in the Earths crust as compounds, but ._________ is found as the metal itself. | arrow_right_alt | copper |
The metal that will float in water is | arrow_right_alt | gold |
The diagram shows one use for aluminum. Which two of the following are properties of aluminum that make it suitable for making saucepans?
Use the order of reactivity for the metals to help you answer this question. Some metals, when connected to iron, will prevent it from rusting. In which two beakers will the iron not rust?
In the periodic table, the chemical elements are arranged in vertical Groups. Within each Group, the elements have:
Argon is placed before potassium in the table even though:
8.3 In the periodic table, the transition elements are found:
8.4 There are over 100 elements in the periodic table. More than half of the elements are:
9.1 The Group 1 metals:
9.2 The Group 1 metals and the transition metals:
9.3 Which properties best describe the hydroxides of Group 1 metals and the transition metals?
9.4 When compared to the Group 1 metals, most transition metals:
When an acid and an alkali react together a salt + _____________ forms
This type of reaction is called:
Which acid and which alkali would you use to produce sodium chloride?
The solution of sodium chloride produced in this reaction will be acidic rather than neutral if it contains excess:
The solution of sodium chloride produced in this reaction will be alkaline rather than neutral if it contains excess:
| Stavka koja se može prevući | arrow_right_alt | Odgovarajuća stavka |
|---|---|---|
2 | arrow_right_alt | M |
4 | arrow_right_alt | N |
1 | arrow_right_alt | P |
3 | arrow_right_alt | L |
This question is about ammonia and nitric acid and the reaction between them. Choose the two statements from P, Q, R, S, and T, which are correct.
The acid and alkali react together. acid + alkali → a neutral salt solution + substance X. Substance X is . . . .
Electrolysis is used to purify copper. Electrolysis can also be used to give a metal object a thin coating of another metal. The diagram shows how an iron bolt is coated with the metal, nickel.
A suitable metal salt Y would be:
Which of the following statements describes what happens at the positive electrode?
Electrolysis can also be used in a similar way to give a metal object a thin coating of another metal.
Which of the following statements describes what happens at the negative electrode?
Electrolysis can also be used in a similar way to give a metal object a thin coating of another metal.
8.4 The reaction at the negative electrode is:
Which two of the following substances dissolve in water to form alkaline solutions?