Which of the following is used as an antitranspirant
Which of the following is used as an antitranspirant? Options (a) Cobalt chloride (b) Napthol acetic acid (c) Calcium carbonate…
Which of the following is used as an antitranspirant? Options (a) Cobalt chloride (b) Napthol acetic acid (c) Calcium carbonate…
In the conversion of Br₂ to BrO₃⁻, the oxidation number of Br changes from Options (a) zero to 5 (b)…
The unit of natural selection is Options (a) an individual (b) a species (c) a genus (d) a population Correct…
Which of the following regions of our country are known for their rich biodiversity? Options (a) Western Ghats and Eastern…
World biodiversity day is celebrated annually? Options (a) 5th June (b) 29th December (c) 22nd April (d) 16th September Correct…
The loudness and pitch of a sound note depends on Options (a) Intensity and frequency (b) Frequency and number of…
A tuning fork A produces 4 beats per second with another tuning fork B of frequency 320 Hz. On filing…
A beam of light of wavelength 600 nm from a distant source falls on a single slit 1 mm wide…
The width of the diffraction band varies Options (a) Inversely as the wavelength (b) Directly as the width of the…
The specific charge of a proton is 9.6x10⁷ C/kg. The specific charge of an alpha particle will be Options (a)…