10th Standard CBSE Syllabus & Materials
10th Standard CBSE
CBSE 10th Social Science ECO - Globalisation and the Indian Economy - New Model Questions Papers Study Material - QB365 Set A
NEW10th Standard CBSE
CBSE 10th Social Science ECO - Money and Credit - New Model Questions Papers Study Material - QB365 Set A
NEW10th Standard CBSE
CBSE 10th Social Science ECO - Sectors of the Indian Economy - New Model Questions Papers Study Material - QB365 Set A
NEW10th Standard CBSE
CBSE 10th Social Science ECO - Development - New Model Questions Papers Study Material - QB365 Set A
NEW10th Standard CBSE
CBSE 10th Social Science PS - Outcomes of Democracy - New Model Questions Papers Study Material - QB365 Set A
NEW10th Standard CBSE
CBSE 10th Social Science PS - Gender, Religion and Caste - New Model Questions Papers Study Material - QB365 Set A

Published on: 26/05/2021
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Download CBSE Class 10th Standard CBSE Science question papers, sample papers, important questions, and previous year solved papers in PDF format. Get free study materials, NCERT solutions, and exam preparation resources for Class 10th Standard CBSE Science
Questions + Answers key
Take MCQ Science Test1.
Oils on treating with hydrogen in the presence of palladium or nickel catalyst form fats. This is an example of
Addition reaction
Substitution reaction
Displacement reaction
Oxidation reaction
2.
\(CH_3- {CH_2 }-OH \xrightarrow [ ]{ Alkaline \ KMnO_4+Heat } CH_3- COOH\)
In the above given reaction, alkaline KMnO 4 acts as
reducing agent
oxidising agent
catalyst
dehydrating agent
3.
Buckminsterfullerene is an allotropic form of
Phosphorous
Sulphur
Carbon
Tin
4.
A molecule of ammonia (NH3) has
only single bonds
only double bonds
only triple bonds
two double bonds and one single bond
5.
Carbon exists in the atmosphere in the form of
carbon monoxide only
carbon monoxide in traces and carbon dioxide
carbon dioxide only
coal
1.
(a)
Addition reaction
2.
(b)
oxidising agent
3.
(c)
Carbon
4.
(a)
only single bonds
5.
(c)
carbon dioxide only
10th Standard CBSE Syllabus & Materials
10th Standard CBSE
CBSE 10th Social Science PS - Federalism - New Model Questions Papers Study Material - QB365 Set A
NEW10th Standard CBSE
CBSE 10th Social Science PS - Power Sharing - New Model Questions Papers Study Material - QB365 Set A
NEW10th Standard CBSE
CBSE 10th Social Science GEO - Manufacturing Industries - New Model Questions Papers Study Material - QB365 Set A
NEW10th Standard CBSE
CBSE 10th Social Science GEO - Minerals and Energy Resources - New Model Questions Papers Study Material - QB365 Set A
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