Dalal Chemistry Class 10 Solutions. We covered all the Dalal Chemistry Class 10 Solutions in this post for free so that you can practice well for the exam.
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Dalal Chemistry Class 10 Objective with Solutions
The arsenic problem in India is primarily due to:
(a) Overexploitation of surface water in the affected areas
(b) Overexploitation of arsenopyrite in the hinterland
(c) Overexploitation of coal in Bihar and Bengal
(d) Overexploitation of groundwater in the affected areas
Option d – Overexploitation of groundwater in the affected areas
The most of the mass of the atom can be found in:
(a) Electrons
(b) Charges
(c) Nucleus
(d) Electron cloud
Option c – Nucleus
Which of the following acids is a mineral acid?
(a) Citric acid
(b) Hydrochloric acid
(c) Ascorbic acid
(d) Tartaric acid
Option b – Hydrochloric acid
The most stable form of carbon is:
(a) Diamond
(b) Graphite
(c) Fullerene
(d) Coal
Option b – Graphite
On heating, Gypsum loses a certain percentage of its water content and becomes:
(a) Plaster of Paris
(b) A pearl
(c) Chalk
(d) Calcium sulfate
Option a – Plaster of Paris
Cathode rays when obstructed by metal cause the emission of:
(a) Alpha-rays
(b) Beta-rays
(c) Gamma-rays
(d) X-rays
Option b – Beta-rays
Anomalous expansion is associated with:
(a) Alcohol
(b) Mercury
(c) Water
(d) Benzene
Option c – Water
The citrus fruits and pickles are not stored in which of the following containers?
(a) Iron
(b) Plastic
(c) Glass
(d) China clay
Option a – Iron
A thick paste of cement, sand, and water is called:
(a) Concrete
(b) R.C.C.
(c) Mortar
(d) Kiln
Option c – Mortar
Good conductors have many loosely bound:
(a) Atoms
(b) Electrons
(c) Protons
(d) Neutrons
Option b – Electrons
Radioactive materials should be kept in a container made of:
(a) Pb
(b) Steel
(c) Fe
(d) Al
Option a – Pb
We covered all the dalal chemistry class 10 solutions above in this post for free so that you can practice well for the exam.
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