Which survey is most expensive because of the interviewer's time and travel expenses?
The high cost of reaching respondents in their homes through personal interview surveys has led to a dramatic increase in the use of mall intercept interviews, which are personal interviews of consumers at shopping centres.
Manganite is an ore/mineral of
Which metal is extracted from seawater?
Which of the following is a physical change?
Bronze is an alloy of-
_________is the process in which acids and bases react to form salts and water.
The nucleus of an atom consists of-
The major component of honey is-
Alum stops bleeding in minor cuts because of
Milk tastes sour when kept in the open for sometimes due to the formation of-
Petroleum is a mixture of-
