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The word ‘scribble’ means ‘to write or draw something quickly or carelessly’. This is the correct word. The child can't write yet, but she loves to scribble with a pencil.
The product of the equivalent weight and valency of an element equals its ______.
Which of the following is used as a moderator in nuclear reactors?
The atomic bomb is based on which principle?
Alkali metals have ______.
I. low melting points
II. low densities
The two metal ions that cause hardness to water are……………?
Which acid is present in grapes?
Biofertilizers convert nitrogen to:
Marble is a metamorphic rock of:
The motion of an object under free fall is an example of which of the following?
Flemings right hand rule is used to find the direction of the –