Download App

Some Basic Concepts of Chemistry — Chemistry STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceChemistrySome Basic Concepts of Chemistry1 Mark
MCQ
Who proposed atom as an indestructible entity?
  • A
    Rotherford
  • ✓
    Dalton
  • C
    Thomson
  • D
    Pauli
✓

Answer

Correct option: B.
Dalton
Dalton's Atomic Theory All matter is made of atoms. Atoms are indivisible and indestructible. All atoms of a given element are identical in mass and properties
Compounds are formed by a combination of two or more different kinds of atoms.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "M.C.Q (1 Marks)" from Some Basic Concepts of Chemistry→Some Basic Concepts of Chemistry — all question types→Chemistry STD 11 Science question papers→Gujarat Board STD 11 Science question papers→Gujarat Board question paper generator→

Similar questions

Elements $X, Y$ and $Z$ have atomic numbers $5, 9$ and $11$ respectively. Which one forms an anion?
→
On reaction with acid, $4$ -pyrone gives a very stable cationic product. Which of the following structures shows the protonation site in- that product ?
→
Which of the following orders of rotation barrier about the $C = C$ bond, as indicated, is correct?

→
Assign $A, B, C, D$ from given type of reaction $KMn{O_4}\xrightarrow{\Delta }{K_2}Mn{O_4} + Mn{O_2} + {O_2} \uparrow $
→
The oxidation number of chlorine atom in bleaching powder is :
→
The main reaction during electrovalent bond formation is
→
Which of the following is diamagnetic
→
$(i)$  A strong acid has a weak conjugate base

$(ii) $ An acid is an electron pair acceptorThe above statements $(i) $ and $(ii)$

→
Aluminium hydroxide is soluble in excess of sodium hydroxide forming the ion
→
The value of the Avogadro constant is :
→