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Fill in the blanks by selecting correct word/term given in the brackets.
The metal which does not react with water or dilute `H_2 SO_4` but reacts with concentrated `H_2 SO_4` is __________ (Al/Cu/Zn/Fe)

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To solve the question, we need to identify the metal that does not react with water or dilute sulfuric acid (H₂SO₄) but does react with concentrated sulfuric acid. Let's analyze the options one by one. ### Step-by-Step Solution: 1. **Understanding the Reactivity with Water and Dilute H₂SO₄:** - We need to find a metal that does not react with water or dilute sulfuric acid. 2. **Analyzing Each Metal:** ...
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Complete the following by selecting the correct option from the choices given : The metal which does not react with water or dilute H_2SO_4 but reacts with concentrated H_2SO_4 is ________ .( Al//Cu//Zn//Fe )

Fill in the blanks by selecting correct word/term given in the brackets. Brass is an alloy of copper and __________ (zinc/tin)

Metal which does not react with cold water but evolves H_(2) with steam is :

Fill in the blanks by selecting correct word/term given in the brackets. An alloy of copper and tin is called __________ .(brass/bronze)

Fill in the blanks by selecting correct word/term given in the brackets. Zinc carbonate is converted into __________ by calcination. (ZnO/ZnS)

Fill in the blanks by using the correct word/term given in the brackets. The pH of water decreases when _____ is dissolved in it. (NH_(3)//SO_(2))

Fill in the blanks by selecting correct word/term given in the brackets. Froth floatation process is used to concentrate __________ ores. (oxide/sulphide)

Fill in the blanks by selecting correct word/term given in the brackets. Impure ____________ is used as anode in the electrolytic refining of copper. (zinc/copper)

Fill in the blanks by using the correct word/term given in the brackets. An acid _____ change the colour of phenolphthalein. (must/does not)

Which of the following react with dil H_(2)SO_(4) ?

ICSE-METALLURGY-QUESTIONS FOR PRACTICE
  1. Aluminium is extracted from bauxite by the electrolysis of aluminium o...

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  2. Name the metals present in bronze, and write its one use.

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  3. Name the alloy whose constituents are iron, nickel and chromium.

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  4. Name the constituents of duralumin. What are the uses of this alloy?

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  5. Which element is alloyed with copper to make bronze?

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  6. Fill in the blanks by selecting correct word/term given in the bracket...

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  7. Fill in the blanks by selecting correct word/term given in the bracket...

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  10. Fill in the blanks by selecting correct word/term given in the bracket...

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  11. Fill in the blanks by selecting correct word/term given in the bracket...

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  12. Complete the following by selecting the correct option from the choice...

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  13. Complete the following by selecting the correct option from the choice...

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  14. Name the following A metal which is a liquid at room temperature an...

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  15. Name the following A compound which is added to lower the fusion te...

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  16. Name the following The process of heating an ore to a high temperat...

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  17. Name the following The compound formed by the reaction between calc...

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  18. Name the following An alloy of lead and tin that is used in electri...

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  19. Name the following An ore of zinc containing its sulphide.

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  20. Name the following A metal oxide that can be reduced by hydrogen.

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