Science, asked by prajapativijay121973, 2 months ago

e s Activity 4.8 ? Take five 100 mL beakers and label them A, B, C, D and E. Take about 50 mL of water in each beaker. Dissolve in each beaker a teaspoonful of each substance as indicated in Fig. 4.6 (a). Keep the beakers undisturbed for some time. Record your observations in your note book.

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Answered by keshvikansal

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He referred to these groups as triads. In a traid the elements had similar chemical properties. Dobereiner’s law of triads states that, the atomic mass of the middle element of a triad is the arithmetic mean of the atomic masses of the other two elements. In the triad of lithium, sodium and potassium.

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e s Activity 4.8 ? Take five 100 mL beakers and label them A, B, C, D and E. Take about 50 mL of water in each beaker. Dissolve in each beaker a teaspoonful of each substance as indicated in Fig. 4.6 (a). Keep the beakers undisturbed for some time. Record your observations in your note book.​

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e s Activity 4.8 ? Take five 100 mL beakers and label them A, B, C, D and E. Take about 50 mL of water in each beaker. Dissolve in each beaker a teaspoonful of each substance as indicated in Fig. 4.6 (a). Keep the beakers undisturbed for some time. Record your observations in your note book.