The common name for silicon dioxide is:

Which one of the following would NOT give rise to a systematic error in an experiment?

How many grams are in 2.5 kilograms?

The following statements refer to the laminated core of a transformer. Which one of them is NOT true?

Powders react faster than lumps because they have:

Hydrocarbons contain carbon and:

A lens forms a real image of magnification ×3.Which one of the following statements is NOT true?

Alcohol can be separated from beer using:

All of these are fractions from crude oil EXCEPT for:

If x = 2³ × 5² =, then x⁴ =

Which one of the following statements about an ammeter is NOT true?

Crossing two brown mice produced an offspring with a black coat.Which of the following statements MUST be correct?
Ⅰ Brown coat is dominant to black.
Ⅱ The brown mice were heterozygous for coat colour.
Ⅲ The black mouse was homozygous for coat colour.
Ⅳ Crossing a black mouse with another black mouse could produce a brown offspring.

To electrolyse solid lead bromide it must first be heated so that:

A store charges 15% VAT on all sales. What is the total cost of a TV set marked at $300 ?

A certain nucleus has 12 protons and 16 neutrons.Which one of the following statements about the nucleus is NOT true?

The range of values of v when 5 - v ≤ 2v - 1 is

An insoluble metal oxide can be described as:

A __________ is a sub-division of a track that stores data on a disk.

Mrs. Green is a dry goods merchant. Which of the following transactions would result in a debit to her Cash Account?

In the Trading Account Returns Outwards is deducted from