Allied solutions

Allied solutions

Grade 8

Language of Chemistry | Objective Type Questions

Question 1

Q1) Complete the statements given below by filling in the blank with the correct words.

  1. The formula of silver I chloride is _____ [AgCl/AgCl_2]
  2. The basic unit of an element is a/an _____ [[molecule/atom/ion]]
  3. Atom contains _____ [[netron/nucleus]] with positively charged ________ [[electrons/protons]]
  4. Element _______ [[calcium/lead/carbon]] has the symbol derived from its latin 'plumbum'.
  5. From the elements - He, Br, Pt, & O; the element which forms a polyatomic molecule is _____ & which is liquid at room temperature is ____.
  6. The valency of iron in FeO is _____ [[2+/1+]] of chlorine [[chloride]] in CaCl_2 is ________ [[1-/2-]] and of dichromate in K_2Cr_2O_7 is ______ [[2+/2-]]

Solution:

  1. AgCl
  2. Atom
  3. Nucleus, protons
  4. Lead
  5. O , Br
  6. 2+ , 1- , 2-

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subject-cta

Question 1

Q1) Complete the statements given below by filling in the blank with the correct words.

  1. The formula of silver I chloride is _____ [AgCl/AgCl_2]
  2. The basic unit of an element is a/an _____ [[molecule/atom/ion]]
  3. Atom contains _____ [[netron/nucleus]] with positively charged ________ [[electrons/protons]]
  4. Element _______ [[calcium/lead/carbon]] has the symbol derived from its latin 'plumbum'.
  5. From the elements - He, Br, Pt, & O; the element which forms a polyatomic molecule is _____ & which is liquid at room temperature is ____.
  6. The valency of iron in FeO is _____ [[2+/1+]] of chlorine [[chloride]] in CaCl_2 is ________ [[1-/2-]] and of dichromate in K_2Cr_2O_7 is ______ [[2+/2-]]

Solution:

  1. AgCl
  2. Atom
  3. Nucleus, protons
  4. Lead
  5. O , Br
  6. 2+ , 1- , 2-

Still have questions? Our expert teachers can help you out

Book a free class now

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subject-cta
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