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Which of the following is not a constitu...

Which of the following is not a constituent of Portland cement?

A

`SiO_2`

B

`Li_2O`

C

`CaO`

D

`Al_2O_3`

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AAKASH INSTITUTE ENGLISH-TEST 5-EXAMPLE
  1. The incorrect decomposition reaction among the following is

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  2. The calcium hypochlorite is

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  3. Which of the following is not a constituent of Portland cement?

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  4. In Solvay process, during the formation of sodium carbonate, ammonia i...

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  5. Beryllium hydroxide reacts with alkali to form

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  6. The incorrect statement for alkaline earth metals is

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  7. At what temperature the velocity of O2molecules have the same velocity...

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  8. Correct order of atomic radii is

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  9. The pair of metals which do not impart colour in flame test is

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  10. An element having electronic configuration [Xe]6s^(1) will:

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  11. When boric acid reacts with sodium carbonate a white crystaline solid ...

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  12. Select the correct statement regarding borax

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  13. A compound 'A' when reacts with LiAlH4 it gives two compounds B and C ...

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  14. The formula of phosphide of alkail metal (M) is

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  15. Orthoboric acid is a monobasic acid because

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  16. The stability of dihalides of Si, Ge, Sn and Pb increases steadily in ...

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  17. (Sio3)n2n- can represent- (a) Cyclic silicates, (b) Chain silicates, (...

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  18. Producer gas is a mixture of

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  19. Which of the following is most covalent carbide?

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  20. With respect to graphite and diamond, which of the statement (s) given...

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