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Etaha

Asked: June 19, 2021In: Class 10 Science

Zn + CuSO₄ ⟶ ZnSO₄ + Cu The above reaction is example of :

NCERT Important Questions Class 10 Science CBSE 2022-2023. NCERT Book Extra Questions for Session 2022-2023 CBSE Board and UP Board Others state Board NCERT book extra.

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Etaha

Asked: June 19, 2021In: Class 10 Science

While performing the experiment to’study the properties of HCI and NaOH by their reaction with Na2CO3 a student can con{irm whether hydrogen or carbon dioxide is liberated, by:

NCERT Important Questions Class 10 Science CBSE 2022-2023. NCERT Book Extra Questions for Session 2022-2023 CBSE Board and UP Board Others state Board NCERT book extra.

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Etaha

Asked: June 19, 2021In: Class 10 Science

Debo added a few Zn granules to 50 mL of a solution of CuSO4 in a test tube. The correct observation made by him for change in colour of solution is:

NCERT Important Questions Class 10 Science CBSE 2022-2023. NCERT Book Extra Questions for Session 2022-2023 CBSE Board and UP Board Others state Board NCERT book extra.

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Etaha

Asked: June 19, 2021In: Class 10 Science

Mousoomee was asked to compare the reactivity of metals Zn and Fe. She took zinc granules and ferrous sulphate crystals in a 50 mL beaker. She waited for 10 minutes but no reaction took place. The reason was:

NCERT Important Questions Class 10 Science CBSE 2022-2023. NCERT Book Extra Questions for Session 2022-2023 CBSE Board and UP Board Others state Board NCERT book extra.

Poll

Etaha

Asked: June 19, 2021In: Class 10 Science

In our domestic electric circuit the component which is always connected in series is:

NCERT Important Questions Class 10 Science CBSE 2022-2023. NCERT Book Extra Questions for Session 2022-2023 CBSE Board and UP Board Others state Board NCERT book extra.

Etaha

Zn + CuSO₄ ⟶ ZnSO₄ + Cu The above reaction is example of :

While performing the experiment to’study the properties of HCI and NaOH by their reaction with Na2CO3 a student can con{irm whether hydrogen or carbon dioxide is liberated, by:

Debo added a few Zn granules to 50 mL of a solution of CuSO4 in a test tube. The correct observation made by him for change in colour of solution is:

Mousoomee was asked to compare the reactivity of metals Zn and Fe. She took zinc granules and ferrous sulphate crystals in a 50 mL beaker. She waited for 10 minutes but no reaction took place. The reason was:

In our domestic electric circuit the component which is always connected in series is:

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