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Which of the following elements would fo...

Which of the following elements would form oxides which would indicate pH values less than seven, using moist pH paper ?
Magnesium, carbon, sulphur, Hydrogen, copper.

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Carbon and Sulphur, they form acidic oxides
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LAKHMIR SINGH & MANJIT KAUR-ACID, BASES AND SALTS-Exercise
  1. The daffodil plants grow best in a soil having a pH range of 6.0 to 6....

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  2. A milkman adds a very small amount of baking soda to fresh milk. (a)...

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  3. Which of the following elements would form oxides which would indicate...

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  4. Te pH values of five solutions, A, B,C,D and E are given below: A 1...

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  5. Potatoes grow well on Anhad's farm which has soil with a pH of 5.5. An...

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  6. Here are some results of solutions tested with universal indicator pap...

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  7. Solution A turns universal indicator blue to purple whereas solution B...

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  8. A first-aid manual suggests that vinergar should be used to treat wasp...

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  9. Hydrochloric acid reacts with a metal X to form a gas Y which burns wi...

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  10. What is the chemical formula of (a) baking soda, and (b) washing soda?

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  11. Write the chemical formula of (i) soda ash, and (ii) sodium carbonate ...

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  12. State whether the following statement is true of false: Copper sulph...

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  13. Which of the following salt has a blue colour and why? CuSO(4).5H(2)...

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  14. What would be the colour of litmus in a solution of sodium carbonate?

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  15. State the common and chemical names of the compound formed when plaste...

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  16. With which substance should chlorine be treated to get bleaching powde...

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  17. What is the commercial name of calcium sulphate hemihydrate?

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  18. Name the product formed when Cl(2) and H(2) produced during the electr...

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  19. Name a calcium compound which hardens on wetting with water.

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  20. Name a sodium compound which is a constituent of many dry soap powders...

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