Chemistry

The bonds in crystalline ammonium chloride are?

A. covalent and dative B. ionic and covalent C. ionic, covalent and dative D. ionic, covalent and hydrogen bond Correct…

6 years ago

In the periodic table, alkaline earth metals can be found in group?

A. l B. ll C. VI D. VII Correct Answer: Option B B. ll

6 years ago

In metallic soild, the forces of attraction is between the mobile valence electrons and the?

A. atoms B. neutrons C. negative ions D. positively charged nuclei Correct Answer: Option D D. positively charged nuclei

6 years ago

Which of the following bond types is responsible for the high boiling point of water?

A. Metallic bond B. Covalent bond C. lonic bond D. Hydrogen bond Correct Answer: Option D D. Hydrogen bond

6 years ago

In which of the following series are the atoms arranged in order of increasing ionization energy?

A. Li, Na K B. B, Be, Li C. O, F, Ne D. Be, mG, Ca Correct Answer: Option C…

6 years ago

An atom of an element X gains two electrons. The symbol of the ion formed is?

A. X + B. X 2+ C. X 2- D. X - Correct Answer: Option C C. X 2-

6 years ago

Which of the following statements is correct?

A. Atomic size decreases down the group B. Atomic size increases across the period C. Anions are smaller than the…

6 years ago

The formula of the compound formed between a trivalent metal, M and a divalent non-metal, Y is?

A. M2Y3 B. M3Y2 C. MY D. M3Y Correct Answer: Option A A. M2Y3

6 years ago

The molecule which has a linear shape is?

A. CH4 B. NH3 C. H2S D. CO2 Correct Answer: Option D D. CO2

6 years ago

Which of the following instruments is used in detecting the presence of radiation?

A. Cathode ray tube B. Geiger-Muller counter C. Mass spectrometer D. X-ray tube Correct Answer: Option B B. Geiger-Muller counter

6 years ago