Presence of large amounts of nutrients in waters also causes excessive growth of _________ algae.
1). Biomagnification
2). Algal bloom
3). planktonic
4). Eutrophication
Which base is present in lime water?
1). Sodium hydroxide
2). Magnesium hydroxide
3). Calcium hydroxide
4). Ammonium hydroxide
Metals react with sodium hydroxide to produce ___________.
1). oxygen gas
2). sodium
3). water
4). hydrogen gas
Teach Text' is a text editor in which of the following operating systems?
1). Windows
2). Google Chrome
3). Mozilla Firefox
4). Macintosh
The time taken by a pendulum to complete one oscillation is called its?
1). Maximum speed
2). Average speed
3). Time period
4). Time interval