The ionization energy of hydrogen atom is 1.312 into 10 raise to power 6 joule/mol calculate the energy required to excit and electron in a hydrogen from ground state to …

Classify the following as physical and chemical changes

Asked by admin @ 31/08/2021 in Science viewed by 377 persons

Classify the following as chemical or physical changes: • cutting of trees, • melting of butter in a pan, • rusting of almirah, • boiling of water to form steam, …

At what temperature celsius and fahrenheit are equal

Asked by admin @ 31/08/2021 in Science viewed by 348 persons

At what temperature are Celsius and Fahrenheit equal?pls answer this pls

State the colour of phenolphthalein in soap solution

Asked by admin @ 31/08/2021 in Science viewed by 472 persons

1.State the colour of phenolphthalein in soap solution. 2.Name the by-product of chlor-alkali process which is used for the manufacture of bleachingpowder.

The ionization enthalpy of hydrogen atom is 1.312

Asked by admin @ 31/08/2021 in Science viewed by 344 persons

The ionization energy of hydrogen atom is 1.312 into 10 raise to power 6 joule/mol calculate the energy required to excit and electron in a hydrogen from ground state to …

Why are food items packed in aluminium foil

Asked by admin @ 31/08/2021 in Science viewed by 377 persons

Why are food items packed in aluminium foils

Explain how offspring and parents of organisms reproducing

Asked by admin @ 31/08/2021 in Science viewed by 329 persons

1) EXPLAIN HOW OFFSPRING AND PARENTS OF ORGANISMS REPRODUCING SEXUALLY HAVE THE SAME NUMBER OF CHROMOSOMES ?

Electron dot structure of sodium oxygen and magnesium

Asked by admin @ 31/08/2021 in Science viewed by 403 persons

(i) Write the electron-dot structures for sodium, oxygen and magnesium. (ii) Show the formation of Na20 and MgO by the transfer of electrons. (iii) What are the ions present in …

The two holes in your nose are called

Asked by admin @ 31/08/2021 in Science viewed by 510 persons

What are the two holes in the nose called?

Which of the following is not fossil fuel

Asked by admin @ 31/08/2021 in Science viewed by 410 persons

Which of the following is not a fossil fuel?

Jute is obtained from which part of plant

Asked by admin @ 31/08/2021 in Science viewed by 406 persons

From which part of the plant is jute obtained? Write two uses of jute.

Write any two difference between mass and weight

Asked by admin @ 31/08/2021 in Science viewed by 512 persons

Write any three difference between mass and weight

What are the components of an electric circuit

Asked by admin @ 31/08/2021 in Science viewed by 802 persons

What are the main components of an electric circuit

The process of taking food into the body

Asked by admin @ 31/08/2021 in Science viewed by 483 persons

What is the scientific name of the process of 'taking food into the body' ? PLEASE TELL AS FAST AS YOU CAN.... PLZ.... (TOO IMPORTANT)

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The ionisation enthalpy of hydrogen atom is 1.312

Classify the following as physical and chemical changes

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State the colour of phenolphthalein in soap solution

The ionization enthalpy of hydrogen atom is 1.312

Why are food items packed in aluminium foil

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Electron dot structure of sodium oxygen and magnesium

The two holes in your nose are called

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The process of taking food into the body

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