Chemistry

The following glasswares are used to measure the volume of liquids EXCEPT?

A. graduated beaker B. pipette C. test tube D. burette Correct Answer: Option C C. test tube Explanation Test tubes…

6 years ago

Which of the following species determines the chemical properties of an atom?

A. Electron B. Neutron C. Nucleus D. Proton Correct Answer: Option A A. Electron Explanation An element's chemical properties depend…

6 years ago

Particles in a solid exibit?

A. vibrational motion B. vibrational and translational motion C. vibrational and random motion D. random and translational motion Correct Answer:…

6 years ago

Which of the following properties would not influence electrovalent bond formation?

A. Electronegativity B. Electron Affinity C. Ionization potential D. Catalytic ability Correct Answer: Option D D. Catalytic ability Explanation Every…

6 years ago

The solubility of CO2 in water can be accounted for by?

A. Van der Waal's forces B. Ionic attraction C. dipole attraction D. covalent bonding Correct Answer: Option A A. Van…

6 years ago

The bonding pair of electrons in a Hydrogen Chloride molecule is pulled towards the chlorine atom because?

A. chlorine has a larger atomic size B. chlorine has a larger atomic mass C. chlorine is more electronegative D.…

6 years ago

What is the total number of shared pairs of electrons in the compound above?

A. 5 B. 8 C. 10 D. 12 Correct Answer: Option D D. 12 Explanation Each double bond has two…

6 years ago

The atomic number of an isotope of hydrogen is equal to its mass number because it?

A. has a totally filled valence shell B. has a high charge to mass ratio C. does not contain neutrons…

6 years ago

Atoms are electrically neutral because they?

A. do not conduct electricity B. contain an equal number of protons and electrons C. are composed of neutrons and…

6 years ago

What is the relative molecular mass of a compound which has empirical formula CH2O? [C= 12, H= 1, O= 16]

A. 42 B. 45 C. 126 D. 180 Correct Answer: Option D Explanation Molecular formula = (empirical formula x n)…

6 years ago