Fill in the blanks with the correct choice given in brackets.
(i) Symbol used by Dalton for oxygen is [_] and _________ for hydrogen [H [O∙ ]
(ii) Chemical change taking place between Fe & HCl is an example of _________ [Displacement/combination] reaction.
(iii) Hydrogen is _________ soluble is water [sparingly, highly, moderately]
(iv) _________ gave the first scientific theory about the structure of matter [Goldstein/John Dalton]
(v) The longest period of periodic table has _________ elements [36/32]
Answers
Answered by
0
Answer:
1)O&H
2)combination
3)moderately
4)Goldstein
5)36
Answered by
0
1) O and H
2) displacement
3) sparingly
4) Dalton
5) 32
Explanation:
Fill in the blanks with the correct choice given in brackets.
(i) Symbol used by Dalton for oxygen is O and H for hydrogen.
(ii) Chemical change taking place between Fe & HCl is an example of displacement reaction.
(iii) Hydrogen is sparingly soluble is water.
(iv) Dalton gave the first scientific theory about the structure of matter.
(v) The longest period of periodic table has 32 elements.
Similar questions
Business Studies,
5 months ago
Hindi,
5 months ago
Social Sciences,
11 months ago
Social Sciences,
11 months ago
World Languages,
1 year ago