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State which of the following chemical fo...

State which of the following chemical formula for the compounds are correct?
Sodium sulphide : `Na_4S`

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MODERN PUBLICATION-CHEMICAL REACTIONS AND EQUATIONS-EXERCISE
  1. What is wrong with the following equations: Mg+2O gives 2MgO

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  2. What does uarr represent in the following equation: Zn +dil. H2SO4 r...

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  3. State which of the following chemical formula for the compounds are co...

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  4. State which of the following chemical formula for the compounds are co...

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  5. State which of the following chemical formula for the compounds are co...

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  6. State which of the following chemical formula for the compounds are co...

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  7. State which of the following chemical formula for the compounds are co...

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  8. State which of the following statement are true or false: All combust...

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  9. State which of the following statement are true or false: Mg3N2 + 6H...

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  10. Write the balanced chemical equations fo reach of the following reacti...

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  11. State any two characteristics of the following chemical equation. di...

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  12. State characteristics of the following chemical equation. potassium ...

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  13. Classify the following reactions Cu +2AgNO3 rarr Cu(NO3)2+2Ag

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  14. Balance the following equation : Ca + H2O → Ca(OH)2 + H2

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  15. Classify the following reactions Mg(OH)2 rarr MgO+H2O

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  16. Classify the following reactions NH4Cl rarr NH3(g)+HCl(g)

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  17. Classify the following reactions as C2H4(g) + H2 rarr C2H6 (g)

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  18. Classify each of the following reactions 2CuO(s) rarr 2Cu (s)+O2 (g...

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  19. Complete chemical reaction Predict correct names for the type of reac...

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  20. The chemical reaction and name are given below: Predict which of these...

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