Question
Which acid is a weak electrolyte?
Which acid is a weak electrolyte? (a) CH₃COOH (b) H₂SO₄ (c) HNO₃ (d) HCl
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Question
Which of the following compounds has no existence as a separate and distinct molecule?
Which of the following compounds has no existence as a separate and distinct molecule? (a) H₂S (b) CHCl₃ (c) NO₂ (d) NaCl
Question
How many groups are there in the modern long form of the periodic table?
How many groups are there in the modern long form of the periodic table? (a) 7 (b) 17 (c) 15 (d) 18
Question
The characteristics of a fuse wire are
The characteristics of a fuse wire are: (a) High resistance, low melting point (b) Low resistance, high melting point (c) Low resistance,…
Question
Which of the following rays has the highest capacity to ionise gases?
Which of the following rays has the highest capacity to ionise gases? (a) α-ray (b) γ-ray (c) β-ray (d) Light ray
Flash Note
Chapter 08C – Nitric Acid | Class 10 Chemistry Flash Notes
Chapter : Nitric Acid (Study of Compound) Board : ICSE Class : X (10) Subject : Chemistry
Flash Note
Chapter 08D – Sulphuric Acid | Class 10 Chemistry Flash Notes
Chapter : Sulphuric Acid (Study of Compound) Board : ICSE Class : X (10) Subject : Chemistry
Question
Prepare a list of animals being endangered by poaching. Which environmental factors have the potentialities to increase the chance of developing cancer?
Prepare a list of animals being endangered by poaching. Which environmental factors have the potentialities to increase the chance of developing cancer?…
Question
What is the role of cryopreservation in the conservation of biodiversities? What information may be found from DNA fingerprinting regarding conservation?
What is the role of cryopreservation in the conservation of biodiversities? What information may be found from DNA fingerprinting regarding conservation? [3…
Question
Explain the relationship between the decline in the number of biodiversities with that of over-exploitation with the help of two examples. Construct a mental map of problems caused by ever-increasing human population.
Explain the relationship between the decline in the number of biodiversities with that of over-exploitation with the help of two examples. Construct…